Finding the Fourth Proportional to 52,747.34, 72,791.42 and 28,875.54

Step by Step Solution

1. Step 1: Write the proportion equation
   52,747.34 : 72,791.42 = 28,875.54 : x
2. Step 2: Convert to fraction form
   52,747.34/72,791.42 = 28,875.54/x
3. Step 3: Cross multiply
   52,747.34x = 72,791.42 × 28,875.54
4. Step 4: Simplify right side
   52,747.34x = 2,101,891,559.87
5. Step 5: Solve for x
   x = 2,101,891,559.87/52,747.34
6. Step 6: Final answer
   x = 39,848.29