Finding the Fourth Proportional to 137,502.16, 189,793.33 and 89,762.68

Step by Step Solution

1. Step 1: Write the proportion equation
   137,502.16 : 189,793.33 = 89,762.68 : x
2. Step 2: Convert to fraction form
   137,502.16/189,793.33 = 89,762.68/x
3. Step 3: Cross multiply
   137,502.16x = 189,793.33 × 89,762.68
4. Step 4: Simplify right side
   137,502.16x = 17,036,357,959.76
5. Step 5: Solve for x
   x = 17,036,357,959.76/137,502.16
6. Step 6: Final answer
   x = 123,898.84