Finding the Fourth Proportional to 95,057.12, 142,545.52 and 28,506.72

Step by Step Solution

1. Step 1: Write the proportion equation
   95,057.12 : 142,545.52 = 28,506.72 : x
2. Step 2: Convert to fraction form
   95,057.12/142,545.52 = 28,506.72/x
3. Step 3: Cross multiply
   95,057.12x = 142,545.52 × 28,506.72
4. Step 4: Simplify right side
   95,057.12x = 4,063,505,225.89
5. Step 5: Solve for x
   x = 4,063,505,225.89/95,057.12
6. Step 6: Final answer
   x = 42,748.04