Finding the Fourth Proportional to 389,541.72, 584,076.06 and 152,600.52

Step by Step Solution

1. Step 1: Write the proportion equation
   389,541.72 : 584,076.06 = 152,600.52 : x
2. Step 2: Convert to fraction form
   389,541.72/584,076.06 = 152,600.52/x
3. Step 3: Cross multiply
   389,541.72x = 584,076.06 × 152,600.52
4. Step 4: Simplify right side
   389,541.72x = 89,130,310,475.55
5. Step 5: Solve for x
   x = 89,130,310,475.55/389,541.72
6. Step 6: Final answer
   x = 228,808.12