Finding the Fourth Proportional to 52,443.28, 72,371.82 and 28,569.88

Step by Step Solution

1. Step 1: Write the proportion equation
   52,443.28 : 72,371.82 = 28,569.88 : x
2. Step 2: Convert to fraction form
   52,443.28/72,371.82 = 28,569.88/x
3. Step 3: Cross multiply
   52,443.28x = 72,371.82 × 28,569.88
4. Step 4: Simplify right side
   52,443.28x = 2,067,654,212.78
5. Step 5: Solve for x
   x = 2,067,654,212.78/52,443.28
6. Step 6: Final answer
   x = 39,426.49