Finding the Fourth Proportional to 173,499,760.79, 260,240,061.74 and 126,861,040.00

Step by Step Solution

1. Step 1: Write the proportion equation
   173,499,760.79 : 260,240,061.74 = 126,861,040.00 : x
2. Step 2: Convert to fraction form
   173,499,760.79/260,240,061.74 = 126,861,040.00/x
3. Step 3: Cross multiply
   173,499,760.79x = 260,240,061.74 × 126,861,040.00
4. Step 4: Simplify right side
   173,499,760.79x = 33,014,324,882,167,336
5. Step 5: Solve for x
   x = 33,014,324,882,167,336/173,499,760.79
6. Step 6: Final answer
   x = 190,284,555.62