Finding the Fourth Proportional to 113,665,681.32, 156,846,926.88 and 83,912,154.09

Step by Step Solution

1. Step 1: Write the proportion equation
   113,665,681.32 : 156,846,926.88 = 83,912,154.09 : x
2. Step 2: Convert to fraction form
   113,665,681.32/156,846,926.88 = 83,912,154.09/x
3. Step 3: Cross multiply
   113,665,681.32x = 156,846,926.88 × 83,912,154.09
4. Step 4: Simplify right side
   113,665,681.32x = 13,161,363,496,897,524
5. Step 5: Solve for x
   x = 13,161,363,496,897,524/113,665,681.32
6. Step 6: Final answer
   x = 115,790,125.43