Finding the Fourth Proportional to 25,681, 35,443.56 and 15,076.48

Step by Step Solution

1. Step 1: Write the proportion equation
   25,681 : 35,443.56 = 15,076.48 : x
2. Step 2: Convert to fraction form
   25,681/35,443.56 = 15,076.48/x
3. Step 3: Cross multiply
   25,681x = 35,443.56 × 15,076.48
4. Step 4: Simplify right side
   25,681x = 534,364,123.47
5. Step 5: Solve for x
   x = 534,364,123.47/25,681
6. Step 6: Final answer
   x = 20,807.76