Finding the Fourth Proportional to 16,581.42, 24,875.78 and 7,816.41

Step by Step Solution

1. Step 1: Write the proportion equation
   16,581.42 : 24,875.78 = 7,816.41 : x
2. Step 2: Convert to fraction form
   16,581.42/24,875.78 = 7,816.41/x
3. Step 3: Cross multiply
   16,581.42x = 24,875.78 × 7,816.41
4. Step 4: Simplify right side
   16,581.42x = 194,439,256.47
5. Step 5: Solve for x
   x = 194,439,256.47/16,581.42
6. Step 6: Final answer
   x = 11,726.33