Finding the Fourth Proportional to 25,781.91, 35,581.98 and 14,454.46

Step by Step Solution

1. Step 1: Write the proportion equation
   25,781.91 : 35,581.98 = 14,454.46 : x
2. Step 2: Convert to fraction form
   25,781.91/35,581.98 = 14,454.46/x
3. Step 3: Cross multiply
   25,781.91x = 35,581.98 × 14,454.46
4. Step 4: Simplify right side
   25,781.91x = 514,318,306.63
5. Step 5: Solve for x
   x = 514,318,306.63/25,781.91
6. Step 6: Final answer
   x = 19,948.81