Finding the Fourth Proportional to 9,002.69, 12,423.05 and 5,225.25

Step by Step Solution

1. Step 1: Write the proportion equation
   9,002.69 : 12,423.05 = 5,225.25 : x
2. Step 2: Convert to fraction form
   9,002.69/12,423.05 = 5,225.25/x
3. Step 3: Cross multiply
   9,002.69x = 12,423.05 × 5,225.25
4. Step 4: Simplify right side
   9,002.69x = 64,913,510.51
5. Step 5: Solve for x
   x = 64,913,510.51/9,002.69
6. Step 6: Final answer
   x = 7,210.46