Finding the Fourth Proportional to 71,616.78, 107,426.25 and 24,870.78

Step by Step Solution

1. Step 1: Write the proportion equation
   71,616.78 : 107,426.25 = 24,870.78 : x
2. Step 2: Convert to fraction form
   71,616.78/107,426.25 = 24,870.78/x
3. Step 3: Cross multiply
   71,616.78x = 107,426.25 × 24,870.78
4. Step 4: Simplify right side
   71,616.78x = 2,671,774,629.98
5. Step 5: Solve for x
   x = 2,671,774,629.98/71,616.78
6. Step 6: Final answer
   x = 37,306.55