Finding the Fourth Proportional to 25,695.61, 38,562.89 and 10,914.91

Step by Step Solution

1. Step 1: Write the proportion equation
   25,695.61 : 38,562.89 = 10,914.91 : x
2. Step 2: Convert to fraction form
   25,695.61/38,562.89 = 10,914.91/x
3. Step 3: Cross multiply
   25,695.61x = 38,562.89 × 10,914.91
4. Step 4: Simplify right side
   25,695.61x = 420,910,322.71
5. Step 5: Solve for x
   x = 420,910,322.71/25,695.61
6. Step 6: Final answer
   x = 16,380.63