Finding the Fourth Proportional to 52,298.52, 72,172.40 and 28,425.19

Step by Step Solution

1. Step 1: Write the proportion equation
   52,298.52 : 72,172.40 = 28,425.19 : x
2. Step 2: Convert to fraction form
   52,298.52/72,172.40 = 28,425.19/x
3. Step 3: Cross multiply
   52,298.52x = 72,172.40 × 28,425.19
4. Step 4: Simplify right side
   52,298.52x = 2,051,514,182.76
5. Step 5: Solve for x
   x = 2,051,514,182.76/52,298.52
6. Step 6: Final answer
   x = 39,227.00