Finding the Fourth Proportional to 389,101.58, 583,914.90 and 152,414.72

Step by Step Solution

1. Step 1: Write the proportion equation
   389,101.58 : 583,914.90 = 152,414.72 : x
2. Step 2: Convert to fraction form
   389,101.58/583,914.90 = 152,414.72/x
3. Step 3: Cross multiply
   389,101.58x = 583,914.90 × 152,414.72
4. Step 4: Simplify right side
   389,101.58x = 88,997,225,987.33
5. Step 5: Solve for x
   x = 88,997,225,987.33/389,101.58
6. Step 6: Final answer
   x = 228,724.92