Finding the Fourth Proportional to 25,377.72, 35,013.20 and 14,765.30

Step by Step Solution

1. Step 1: Write the proportion equation
   25,377.72 : 35,013.20 = 14,765.30 : x
2. Step 2: Convert to fraction form
   25,377.72/35,013.20 = 14,765.30/x
3. Step 3: Cross multiply
   25,377.72x = 35,013.20 × 14,765.30
4. Step 4: Simplify right side
   25,377.72x = 516,980,401.96
5. Step 5: Solve for x
   x = 516,980,401.96/25,377.72
6. Step 6: Final answer
   x = 20,371.43