Finding the Fourth Proportional to 52,443.64, 72,371.76 and 28,570.24

Step by Step Solution

1. Step 1: Write the proportion equation
   52,443.64 : 72,371.76 = 28,570.24 : x
2. Step 2: Convert to fraction form
   52,443.64/72,371.76 = 28,570.24/x
3. Step 3: Cross multiply
   52,443.64x = 72,371.76 × 28,570.24
4. Step 4: Simplify right side
   52,443.64x = 2,067,678,552.42
5. Step 5: Solve for x
   x = 2,067,678,552.42/52,443.64
6. Step 6: Final answer
   x = 39,426.68