Finding the Fourth Proportional to 389,061.26, 583,642.92 and 152,373.18

Step by Step Solution

1. Step 1: Write the proportion equation
   389,061.26 : 583,642.92 = 152,373.18 : x
2. Step 2: Convert to fraction form
   389,061.26/583,642.92 = 152,373.18/x
3. Step 3: Cross multiply
   389,061.26x = 583,642.92 × 152,373.18
4. Step 4: Simplify right side
   389,061.26x = 88,931,527,704.89
5. Step 5: Solve for x
   x = 88,931,527,704.89/389,061.26
6. Step 6: Final answer
   x = 228,579.76