Finding the Fourth Proportional to 11,150.43, 16,692.84 and 7,443.47

Step by Step Solution

1. Step 1: Write the proportion equation
   11,150.43 : 16,692.84 = 7,443.47 : x
2. Step 2: Convert to fraction form
   11,150.43/16,692.84 = 7,443.47/x
3. Step 3: Cross multiply
   11,150.43x = 16,692.84 × 7,443.47
4. Step 4: Simplify right side
   11,150.43x = 124,252,622.52
5. Step 5: Solve for x
   x = 124,252,622.52/11,150.43
6. Step 6: Final answer
   x = 11,143.30