Finding the Fourth Proportional to 52,429.52, 72,354.02 and 28,557.48

Step by Step Solution

1. Step 1: Write the proportion equation
   52,429.52 : 72,354.02 = 28,557.48 : x
2. Step 2: Convert to fraction form
   52,429.52/72,354.02 = 28,557.48/x
3. Step 3: Cross multiply
   52,429.52x = 72,354.02 × 28,557.48
4. Step 4: Simplify right side
   52,429.52x = 2,066,248,479.07
5. Step 5: Solve for x
   x = 2,066,248,479.07/52,429.52
6. Step 6: Final answer
   x = 39,410.02