Finding the Fourth Proportional to 12,167.48, 16,791.90 and 7,451.12

Step by Step Solution

1. Step 1: Write the proportion equation
   12,167.48 : 16,791.90 = 7,451.12 : x
2. Step 2: Convert to fraction form
   12,167.48/16,791.90 = 7,451.12/x
3. Step 3: Cross multiply
   12,167.48x = 16,791.90 × 7,451.12
4. Step 4: Simplify right side
   12,167.48x = 125,118,461.93
5. Step 5: Solve for x
   x = 125,118,461.93/12,167.48
6. Step 6: Final answer
   x = 10,283.02