Finding the Fourth Proportional to 102,733.30, 154,359.15 and 65,311.30

Step by Step Solution

1. Step 1: Write the proportion equation
   102,733.30 : 154,359.15 = 65,311.30 : x
2. Step 2: Convert to fraction form
   102,733.30/154,359.15 = 65,311.30/x
3. Step 3: Cross multiply
   102,733.30x = 154,359.15 × 65,311.30
4. Step 4: Simplify right side
   102,733.30x = 10,081,396,753.40
5. Step 5: Solve for x
   x = 10,081,396,753.40/102,733.30
6. Step 6: Final answer
   x = 98,131.73