Finding the Fourth Proportional to 52,297.55, 72,171.91 and 28,425.53

Step by Step Solution

1. Step 1: Write the proportion equation
   52,297.55 : 72,171.91 = 28,425.53 : x
2. Step 2: Convert to fraction form
   52,297.55/72,171.91 = 28,425.53/x
3. Step 3: Cross multiply
   52,297.55x = 72,171.91 × 28,425.53
4. Step 4: Simplify right side
   52,297.55x = 2,051,525,008.82
5. Step 5: Solve for x
   x = 2,051,525,008.82/52,297.55
6. Step 6: Final answer
   x = 39,227.94