Finding the Fourth Proportional to 25,424.00, 38,141.50 and 10,431.15

Step by Step Solution

1. Step 1: Write the proportion equation
   25,424.00 : 38,141.50 = 10,431.15 : x
2. Step 2: Convert to fraction form
   25,424.00/38,141.50 = 10,431.15/x
3. Step 3: Cross multiply
   25,424.00x = 38,141.50 × 10,431.15
4. Step 4: Simplify right side
   25,424.00x = 397,859,586.29
5. Step 5: Solve for x
   x = 397,859,586.29/25,424.00
6. Step 6: Final answer
   x = 15,648.98