Finding the Fourth Proportional to 12,141, 16,746.15 and 7,427.61

Step by Step Solution

1. Step 1: Write the proportion equation
   12,141 : 16,746.15 = 7,427.61 : x
2. Step 2: Convert to fraction form
   12,141/16,746.15 = 7,427.61/x
3. Step 3: Cross multiply
   12,141x = 16,746.15 × 7,427.61
4. Step 4: Simplify right side
   12,141x = 124,383,871.20
5. Step 5: Solve for x
   x = 124,383,871.20/12,141
6. Step 6: Final answer
   x = 10,244.94