Finding the Fourth Proportional to 152,401.89, 228,654.71 and 57,659.30

Step by Step Solution

1. Step 1: Write the proportion equation
   152,401.89 : 228,654.71 = 57,659.30 : x
2. Step 2: Convert to fraction form
   152,401.89/228,654.71 = 57,659.30/x
3. Step 3: Cross multiply
   152,401.89x = 228,654.71 × 57,659.30
4. Step 4: Simplify right side
   152,401.89x = 13,184,070,520.30
5. Step 5: Solve for x
   x = 13,184,070,520.30/152,401.89
6. Step 6: Final answer
   x = 86,508.58