Finding the Fourth Proportional to 9,895,097,818.48, 13,655,137,977.82 and 5,378,708,156.45

Step by Step Solution

1. Step 1: Write the proportion equation
   9,895,097,818.48 : 13,655,137,977.82 = 5,378,708,156.45 : x
2. Step 2: Convert to fraction form
   9,895,097,818.48/13,655,137,977.82 = 5,378,708,156.45/x
3. Step 3: Cross multiply
   9,895,097,818.48x = 13,655,137,977.82 × 5,378,708,156.45
4. Step 4: Simplify right side
   9,895,097,818.48x = 73,447,002,018,748,030,976
5. Step 5: Solve for x
   x = 73,447,002,018,748,030,976/9,895,097,818.48
6. Step 6: Final answer
   x = 7,422,564,522.97