Finding the Fourth Proportional to 52,747.29, 72,791.33 and 28,875.47

Step by Step Solution

1. Step 1: Write the proportion equation
   52,747.29 : 72,791.33 = 28,875.47 : x
2. Step 2: Convert to fraction form
   52,747.29/72,791.33 = 28,875.47/x
3. Step 3: Cross multiply
   52,747.29x = 72,791.33 × 28,875.47
4. Step 4: Simplify right side
   52,747.29x = 2,101,883,357.34
5. Step 5: Solve for x
   x = 2,101,883,357.34/52,747.29
6. Step 6: Final answer
   x = 39,848.18