Finding the Fourth Proportional to 9,425.40, 14,115.52 and 5,255.05

Step by Step Solution

1. Step 1: Write the proportion equation
   9,425.40 : 14,115.52 = 5,255.05 : x
2. Step 2: Convert to fraction form
   9,425.40/14,115.52 = 5,255.05/x
3. Step 3: Cross multiply
   9,425.40x = 14,115.52 × 5,255.05
4. Step 4: Simplify right side
   9,425.40x = 74,177,763.38
5. Step 5: Solve for x
   x = 74,177,763.38/9,425.40
6. Step 6: Final answer
   x = 7,869.99