Finding the Fourth Proportional to 16,200.65, 24,285.18 and 7,880.33

Step by Step Solution

1. Step 1: Write the proportion equation
   16,200.65 : 24,285.18 = 7,880.33 : x
2. Step 2: Convert to fraction form
   16,200.65/24,285.18 = 7,880.33/x
3. Step 3: Cross multiply
   16,200.65x = 24,285.18 × 7,880.33
4. Step 4: Simplify right side
   16,200.65x = 191,375,322.77
5. Step 5: Solve for x
   x = 191,375,322.77/16,200.65
6. Step 6: Final answer
   x = 11,812.82