Finding the Fourth Proportional to 10,251,507,209,346, 14,147,093,958,272 and 5,563,906,046,644

Step by Step Solution

1. Step 1: Write the proportion equation
   10,251,507,209,346 : 14,147,093,958,272 = 5,563,906,046,644 : x
2. Step 2: Convert to fraction form
   10,251,507,209,346/14,147,093,958,272 = 5,563,906,046,644/x
3. Step 3: Cross multiply
   10,251,507,209,346x = 14,147,093,958,272 × 5,563,906,046,644
4. Step 4: Simplify right side
   10,251,507,209,346x = 78,713,101,616,870,376,704,311,296
5. Step 5: Solve for x
   x = 78,713,101,616,870,376,704,311,296/10,251,507,209,346
6. Step 6: Final answer
   x = 7,678,197,947,820.78