Finding the Fourth Proportional to 72,654.84, 108,979.25 and 25,280.78

Step by Step Solution

1. Step 1: Write the proportion equation
   72,654.84 : 108,979.25 = 25,280.78 : x
2. Step 2: Convert to fraction form
   72,654.84/108,979.25 = 25,280.78/x
3. Step 3: Cross multiply
   72,654.84x = 108,979.25 × 25,280.78
4. Step 4: Simplify right side
   72,654.84x = 2,755,079,772.51
5. Step 5: Solve for x
   x = 2,755,079,772.51/72,654.84
6. Step 6: Final answer
   x = 37,920.11