Finding the Fourth Proportional to 16,645.48, 24,973.02 and 7,409.32

Step by Step Solution

1. Step 1: Write the proportion equation
   16,645.48 : 24,973.02 = 7,409.32 : x
2. Step 2: Convert to fraction form
   16,645.48/24,973.02 = 7,409.32/x
3. Step 3: Cross multiply
   16,645.48x = 24,973.02 × 7,409.32
4. Step 4: Simplify right side
   16,645.48x = 185,033,096.55
5. Step 5: Solve for x
   x = 185,033,096.55/16,645.48
6. Step 6: Final answer
   x = 11,116.12