Finding the Fourth Proportional to 16,645.76, 24,970.56 and 5,553.92

Step by Step Solution

1. Step 1: Write the proportion equation
   16,645.76 : 24,970.56 = 5,553.92 : x
2. Step 2: Convert to fraction form
   16,645.76/24,970.56 = 5,553.92/x
3. Step 3: Cross multiply
   16,645.76x = 24,970.56 × 5,553.92
4. Step 4: Simplify right side
   16,645.76x = 138,684,492.60
5. Step 5: Solve for x
   x = 138,684,492.60/16,645.76
6. Step 6: Final answer
   x = 8,331.52