Finding the Fourth Proportional to 52,396.52, 72,147.06 and 39,494.52

Step by Step Solution

1. Step 1: Write the proportion equation
   52,396.52 : 72,147.06 = 39,494.52 : x
2. Step 2: Convert to fraction form
   52,396.52/72,147.06 = 39,494.52/x
3. Step 3: Cross multiply
   52,396.52x = 72,147.06 × 39,494.52
4. Step 4: Simplify right side
   52,396.52x = 2,849,413,504.11
5. Step 5: Solve for x
   x = 2,849,413,504.11/52,396.52
6. Step 6: Final answer
   x = 54,381.74