Finding the Fourth Proportional to 16,300.66, 24,445.80 and 8,402.17

Step by Step Solution

1. Step 1: Write the proportion equation
   16,300.66 : 24,445.80 = 8,402.17 : x
2. Step 2: Convert to fraction form
   16,300.66/24,445.80 = 8,402.17/x
3. Step 3: Cross multiply
   16,300.66x = 24,445.80 × 8,402.17
4. Step 4: Simplify right side
   16,300.66x = 205,397,767.39
5. Step 5: Solve for x
   x = 205,397,767.39/16,300.66
6. Step 6: Final answer
   x = 12,600.58