Finding the Fourth Proportional to 52,587.27, 72,570.15 and 28,713.96

Step by Step Solution

1. Step 1: Write the proportion equation
   52,587.27 : 72,570.15 = 28,713.96 : x
2. Step 2: Convert to fraction form
   52,587.27/72,570.15 = 28,713.96/x
3. Step 3: Cross multiply
   52,587.27x = 72,570.15 × 28,713.96
4. Step 4: Simplify right side
   52,587.27x = 2,083,776,384.29
5. Step 5: Solve for x
   x = 2,083,776,384.29/52,587.27
6. Step 6: Final answer
   x = 39,625.11