Finding the Fourth Proportional to 16,612.06, 24,915.64 and 5,518.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,612.06 : 24,915.64 = 5,518.50 : x
2. Step 2: Convert to fraction form
   16,612.06/24,915.64 = 5,518.50/x
3. Step 3: Cross multiply
   16,612.06x = 24,915.64 × 5,518.50
4. Step 4: Simplify right side
   16,612.06x = 137,496,959.34
5. Step 5: Solve for x
   x = 137,496,959.34/16,612.06
6. Step 6: Final answer
   x = 8,276.94