Finding the Fourth Proportional to 15,943.86, 22,002.50 and 8,870.12

Step by Step Solution

1. Step 1: Write the proportion equation
   15,943.86 : 22,002.50 = 8,870.12 : x
2. Step 2: Convert to fraction form
   15,943.86/22,002.50 = 8,870.12/x
3. Step 3: Cross multiply
   15,943.86x = 22,002.50 × 8,870.12
4. Step 4: Simplify right side
   15,943.86x = 195,164,815.30
5. Step 5: Solve for x
   x = 195,164,815.30/15,943.86
6. Step 6: Final answer
   x = 12,240.75