Finding the Fourth Proportional to 117,880,516.15, 161,496,892.50 and 113,462,414.61

Step by Step Solution

1. Step 1: Write the proportion equation
   117,880,516.15 : 161,496,892.50 = 113,462,414.61 : x
2. Step 2: Convert to fraction form
   117,880,516.15/161,496,892.50 = 113,462,414.61/x
3. Step 3: Cross multiply
   117,880,516.15x = 161,496,892.50 × 113,462,414.61
4. Step 4: Simplify right side
   117,880,516.15x = 18,323,827,375,061,600
5. Step 5: Solve for x
   x = 18,323,827,375,061,600/117,880,516.15
6. Step 6: Final answer
   x = 155,444,071.45