Finding the Fourth Proportional to 52,538.55, 72,521.90 and 31,028.38

Step by Step Solution

1. Step 1: Write the proportion equation
   52,538.55 : 72,521.90 = 31,028.38 : x
2. Step 2: Convert to fraction form
   52,538.55/72,521.90 = 31,028.38/x
3. Step 3: Cross multiply
   52,538.55x = 72,521.90 × 31,028.38
4. Step 4: Simplify right side
   52,538.55x = 2,250,237,071.52
5. Step 5: Solve for x
   x = 2,250,237,071.52/52,538.55
6. Step 6: Final answer
   x = 42,830.21