Finding the Fourth Proportional to 25,665.32, 38,499.08 and 8,134.76

Step by Step Solution

1. Step 1: Write the proportion equation
   25,665.32 : 38,499.08 = 8,134.76 : x
2. Step 2: Convert to fraction form
   25,665.32/38,499.08 = 8,134.76/x
3. Step 3: Cross multiply
   25,665.32x = 38,499.08 × 8,134.76
4. Step 4: Simplify right side
   25,665.32x = 313,180,776.02
5. Step 5: Solve for x
   x = 313,180,776.02/25,665.32
6. Step 6: Final answer
   x = 12,202.49