Finding the Fourth Proportional to 52,498.72, 72,448.16 and 28,625.36

Step by Step Solution

1. Step 1: Write the proportion equation
   52,498.72 : 72,448.16 = 28,625.36 : x
2. Step 2: Convert to fraction form
   52,498.72/72,448.16 = 28,625.36/x
3. Step 3: Cross multiply
   52,498.72x = 72,448.16 × 28,625.36
4. Step 4: Simplify right side
   52,498.72x = 2,073,854,661.34
5. Step 5: Solve for x
   x = 2,073,854,661.34/52,498.72
6. Step 6: Final answer
   x = 39,502.96