Finding the Fourth Proportional to 12,438.56, 17,164.88 and 6,849.52

Step by Step Solution

1. Step 1: Write the proportion equation
   12,438.56 : 17,164.88 = 6,849.52 : x
2. Step 2: Convert to fraction form
   12,438.56/17,164.88 = 6,849.52/x
3. Step 3: Cross multiply
   12,438.56x = 17,164.88 × 6,849.52
4. Step 4: Simplify right side
   12,438.56x = 117,571,188.86
5. Step 5: Solve for x
   x = 117,571,188.86/12,438.56
6. Step 6: Final answer
   x = 9,452.15