Finding the Fourth Proportional to 131,688,111.70, 197,532,167.55 and 83,008,116.10

Step by Step Solution

1. Step 1: Write the proportion equation
   131,688,111.70 : 197,532,167.55 = 83,008,116.10 : x
2. Step 2: Convert to fraction form
   131,688,111.70/197,532,167.55 = 83,008,116.10/x
3. Step 3: Cross multiply
   131,688,111.70x = 197,532,167.55 × 83,008,116.10
4. Step 4: Simplify right side
   131,688,111.70x = 16,396,773,097,475,052
5. Step 5: Solve for x
   x = 16,396,773,097,475,052/131,688,111.70
6. Step 6: Final answer
   x = 124,512,174.15