Finding the Fourth Proportional to 389,371.31, 583,805.86 and 152,737.91

Step by Step Solution

1. Step 1: Write the proportion equation
   389,371.31 : 583,805.86 = 152,737.91 : x
2. Step 2: Convert to fraction form
   389,371.31/583,805.86 = 152,737.91/x
3. Step 3: Cross multiply
   389,371.31x = 583,805.86 × 152,737.91
4. Step 4: Simplify right side
   389,371.31x = 89,169,286,902.15
5. Step 5: Solve for x
   x = 89,169,286,902.15/389,371.31
6. Step 6: Final answer
   x = 229,008.36