Finding the Fourth Proportional to 152,720.42, 229,025.72 and 52,853.52

Step by Step Solution

1. Step 1: Write the proportion equation
   152,720.42 : 229,025.72 = 52,853.52 : x
2. Step 2: Convert to fraction form
   152,720.42/229,025.72 = 52,853.52/x
3. Step 3: Cross multiply
   152,720.42x = 229,025.72 × 52,853.52
4. Step 4: Simplify right side
   152,720.42x = 12,104,815,472.53
5. Step 5: Solve for x
   x = 12,104,815,472.53/152,720.42
6. Step 6: Final answer
   x = 79,261.28