Finding the Fourth Proportional to 9,002.39, 12,423.21 and 4,969.25

Step by Step Solution

1. Step 1: Write the proportion equation
   9,002.39 : 12,423.21 = 4,969.25 : x
2. Step 2: Convert to fraction form
   9,002.39/12,423.21 = 4,969.25/x
3. Step 3: Cross multiply
   9,002.39x = 12,423.21 × 4,969.25
4. Step 4: Simplify right side
   9,002.39x = 61,734,036.29
5. Step 5: Solve for x
   x = 61,734,036.29/9,002.39
6. Step 6: Final answer
   x = 6,857.52