Finding the Fourth Proportional to 82,499,012.10, 124,242,069.42 and 75,144,200.76

Step by Step Solution

1. Step 1: Write the proportion equation
   82,499,012.10 : 124,242,069.42 = 75,144,200.76 : x
2. Step 2: Convert to fraction form
   82,499,012.10/124,242,069.42 = 75,144,200.76/x
3. Step 3: Cross multiply
   82,499,012.10x = 124,242,069.42 × 75,144,200.76
4. Step 4: Simplify right side
   82,499,012.10x = 9,336,071,007,334,338
5. Step 5: Solve for x
   x = 9,336,071,007,334,338/82,499,012.10
6. Step 6: Final answer
   x = 113,165,852.17