Finding the Fourth Proportional to 113,025.71, 155,989.29 and 65,279.00

Step by Step Solution

1. Step 1: Write the proportion equation
   113,025.71 : 155,989.29 = 65,279.00 : x
2. Step 2: Convert to fraction form
   113,025.71/155,989.29 = 65,279.00/x
3. Step 3: Cross multiply
   113,025.71x = 155,989.29 × 65,279.00
4. Step 4: Simplify right side
   113,025.71x = 10,182,824,081.96
5. Step 5: Solve for x
   x = 10,182,824,081.96/113,025.71
6. Step 6: Final answer
   x = 90,092.99