Finding the Fourth Proportional to 16,191.60, 24,281 and 7,869.15

Step by Step Solution

1. Step 1: Write the proportion equation
   16,191.60 : 24,281 = 7,869.15 : x
2. Step 2: Convert to fraction form
   16,191.60/24,281 = 7,869.15/x
3. Step 3: Cross multiply
   16,191.60x = 24,281 × 7,869.15
4. Step 4: Simplify right side
   16,191.60x = 191,070,831.15
5. Step 5: Solve for x
   x = 191,070,831.15/16,191.60
6. Step 6: Final answer
   x = 11,800.61