Finding the Fourth Proportional to 52,494.50, 72,442.71 and 28,621.58

Step by Step Solution

1. Step 1: Write the proportion equation
   52,494.50 : 72,442.71 = 28,621.58 : x
2. Step 2: Convert to fraction form
   52,494.50/72,442.71 = 28,621.58/x
3. Step 3: Cross multiply
   52,494.50x = 72,442.71 × 28,621.58
4. Step 4: Simplify right side
   52,494.50x = 2,073,424,457.47
5. Step 5: Solve for x
   x = 2,073,424,457.47/52,494.50
6. Step 6: Final answer
   x = 39,497.94