Finding the Fourth Proportional to 12,143.88, 16,758.81 and 7,363.98

Step by Step Solution

1. Step 1: Write the proportion equation
   12,143.88 : 16,758.81 = 7,363.98 : x
2. Step 2: Convert to fraction form
   12,143.88/16,758.81 = 7,363.98/x
3. Step 3: Cross multiply
   12,143.88x = 16,758.81 × 7,363.98
4. Step 4: Simplify right side
   12,143.88x = 123,411,541.66
5. Step 5: Solve for x
   x = 123,411,541.66/12,143.88
6. Step 6: Final answer
   x = 10,162.45