Finding the Fourth Proportional to 9,177.48, 12,664.71 and 5,144.04

Step by Step Solution

1. Step 1: Write the proportion equation
   9,177.48 : 12,664.71 = 5,144.04 : x
2. Step 2: Convert to fraction form
   9,177.48/12,664.71 = 5,144.04/x
3. Step 3: Cross multiply
   9,177.48x = 12,664.71 × 5,144.04
4. Step 4: Simplify right side
   9,177.48x = 65,147,774.83
5. Step 5: Solve for x
   x = 65,147,774.83/9,177.48
6. Step 6: Final answer
   x = 7,098.66