Finding the Fourth Proportional to 389,372.32, 584,063.12 and 152,826.40

Step by Step Solution

1. Step 1: Write the proportion equation
   389,372.32 : 584,063.12 = 152,826.40 : x
2. Step 2: Convert to fraction form
   389,372.32/584,063.12 = 152,826.40/x
3. Step 3: Cross multiply
   389,372.32x = 584,063.12 × 152,826.40
4. Step 4: Simplify right side
   389,372.32x = 89,260,264,002.37
5. Step 5: Solve for x
   x = 89,260,264,002.37/389,372.32
6. Step 6: Final answer
   x = 229,241.42