Finding the Fourth Proportional to 52,298.56, 72,172.49 and 28,425.29

Step by Step Solution

1. Step 1: Write the proportion equation
   52,298.56 : 72,172.49 = 28,425.29 : x
2. Step 2: Convert to fraction form
   52,298.56/72,172.49 = 28,425.29/x
3. Step 3: Cross multiply
   52,298.56x = 72,172.49 × 28,425.29
4. Step 4: Simplify right side
   52,298.56x = 2,051,523,455.28
5. Step 5: Solve for x
   x = 2,051,523,455.28/52,298.56
6. Step 6: Final answer
   x = 39,227.15