Finding the Fourth Proportional to 12,061.17, 16,644.47 and 7,587.14

Step by Step Solution

1. Step 1: Write the proportion equation
   12,061.17 : 16,644.47 = 7,587.14 : x
2. Step 2: Convert to fraction form
   12,061.17/16,644.47 = 7,587.14/x
3. Step 3: Cross multiply
   12,061.17x = 16,644.47 × 7,587.14
4. Step 4: Simplify right side
   12,061.17x = 126,283,802.96
5. Step 5: Solve for x
   x = 126,283,802.96/12,061.17
6. Step 6: Final answer
   x = 10,470.28