Finding the Fourth Proportional to 54,535.72, 81,847.33 and 28,247.98

Step by Step Solution

1. Step 1: Write the proportion equation
   54,535.72 : 81,847.33 = 28,247.98 : x
2. Step 2: Convert to fraction form
   54,535.72/81,847.33 = 28,247.98/x
3. Step 3: Cross multiply
   54,535.72x = 81,847.33 × 28,247.98
4. Step 4: Simplify right side
   54,535.72x = 2,312,021,740.89
5. Step 5: Solve for x
   x = 2,312,021,740.89/54,535.72
6. Step 6: Final answer
   x = 42,394.63