Finding the Fourth Proportional to 132,251.43, 182,562.83 and 89,289.12

Step by Step Solution

1. Step 1: Write the proportion equation
   132,251.43 : 182,562.83 = 89,289.12 : x
2. Step 2: Convert to fraction form
   132,251.43/182,562.83 = 89,289.12/x
3. Step 3: Cross multiply
   132,251.43x = 182,562.83 × 89,289.12
4. Step 4: Simplify right side
   132,251.43x = 16,300,875,008.41
5. Step 5: Solve for x
   x = 16,300,875,008.41/132,251.43
6. Step 6: Final answer
   x = 123,256.70