Finding the Fourth Proportional to 113,558,978.70, 170,338,468.05 and 113,558,978.70

Step by Step Solution

1. Step 1: Write the proportion equation
   113,558,978.70 : 170,338,468.05 = 113,558,978.70 : x
2. Step 2: Convert to fraction form
   113,558,978.70/170,338,468.05 = 113,558,978.70/x
3. Step 3: Cross multiply
   113,558,978.70x = 170,338,468.05 × 113,558,978.70
4. Step 4: Simplify right side
   113,558,978.70x = 19,343,462,465,080,584
5. Step 5: Solve for x
   x = 19,343,462,465,080,584/113,558,978.70
6. Step 6: Final answer
   x = 170,338,468.05