Finding the Fourth Proportional to 152,522.78, 228,774.12 and 52,684.40

Step by Step Solution

1. Step 1: Write the proportion equation
   152,522.78 : 228,774.12 = 52,684.40 : x
2. Step 2: Convert to fraction form
   152,522.78/228,774.12 = 52,684.40/x
3. Step 3: Cross multiply
   152,522.78x = 228,774.12 × 52,684.40
4. Step 4: Simplify right side
   152,522.78x = 12,052,826,103.86
5. Step 5: Solve for x
   x = 12,052,826,103.86/152,522.78
6. Step 6: Final answer
   x = 79,023.12