Finding the Fourth Proportional to 389,258.76, 584,216.20 and 152,767.52

Step by Step Solution

1. Step 1: Write the proportion equation
   389,258.76 : 584,216.20 = 152,767.52 : x
2. Step 2: Convert to fraction form
   389,258.76/584,216.20 = 152,767.52/x
3. Step 3: Cross multiply
   389,258.76x = 584,216.20 × 152,767.52
4. Step 4: Simplify right side
   389,258.76x = 89,249,260,017.82
5. Step 5: Solve for x
   x = 89,249,260,017.82/389,258.76
6. Step 6: Final answer
   x = 229,280.03