Finding the Fourth Proportional to 173,499,760.67, 260,240,061.55 and 126,861,039.88

Step by Step Solution

1. Step 1: Write the proportion equation
   173,499,760.67 : 260,240,061.55 = 126,861,039.88 : x
2. Step 2: Convert to fraction form
   173,499,760.67/260,240,061.55 = 126,861,039.88/x
3. Step 3: Cross multiply
   173,499,760.67x = 260,240,061.55 × 126,861,039.88
4. Step 4: Simplify right side
   173,499,760.67x = 33,014,324,826,017,604
5. Step 5: Solve for x
   x = 33,014,324,826,017,604/173,499,760.67
6. Step 6: Final answer
   x = 190,284,555.43