Finding the Fourth Proportional to 52,755, 72,802.17 and 39,338.16

Step by Step Solution

1. Step 1: Write the proportion equation
   52,755 : 72,802.17 = 39,338.16 : x
2. Step 2: Convert to fraction form
   52,755/72,802.17 = 39,338.16/x
3. Step 3: Cross multiply
   52,755x = 72,802.17 × 39,338.16
4. Step 4: Simplify right side
   52,755x = 2,863,903,411.81
5. Step 5: Solve for x
   x = 2,863,903,411.81/52,755
6. Step 6: Final answer
   x = 54,286.86