Finding the Fourth Proportional to 12,158.32, 16,777.92 and 7,443.04

Step by Step Solution

1. Step 1: Write the proportion equation
   12,158.32 : 16,777.92 = 7,443.04 : x
2. Step 2: Convert to fraction form
   12,158.32/16,777.92 = 7,443.04/x
3. Step 3: Cross multiply
   12,158.32x = 16,777.92 × 7,443.04
4. Step 4: Simplify right side
   12,158.32x = 124,878,729.68
5. Step 5: Solve for x
   x = 124,878,729.68/12,158.32
6. Step 6: Final answer
   x = 10,271.05