Finding the Fourth Proportional to 52,449.50, 72,380.30 and 28,576.37

Step by Step Solution

1. Step 1: Write the proportion equation
   52,449.50 : 72,380.30 = 28,576.37 : x
2. Step 2: Convert to fraction form
   52,449.50/72,380.30 = 28,576.37/x
3. Step 3: Cross multiply
   52,449.50x = 72,380.30 × 28,576.37
4. Step 4: Simplify right side
   52,449.50x = 2,068,365,728.73
5. Step 5: Solve for x
   x = 2,068,365,728.73/52,449.50
6. Step 6: Final answer
   x = 39,435.38