Finding the Fourth Proportional to 12,658.44, 17,443.98 and 9,114.96

Step by Step Solution

1. Step 1: Write the proportion equation
   12,658.44 : 17,443.98 = 9,114.96 : x
2. Step 2: Convert to fraction form
   12,658.44/17,443.98 = 9,114.96/x
3. Step 3: Cross multiply
   12,658.44x = 17,443.98 × 9,114.96
4. Step 4: Simplify right side
   12,658.44x = 159,001,179.94
5. Step 5: Solve for x
   x = 159,001,179.94/12,658.44
6. Step 6: Final answer
   x = 12,560.88