Finding the Fourth Proportional to 9,002.54, 12,421.35 and 5,465.07

Step by Step Solution

1. Step 1: Write the proportion equation
   9,002.54 : 12,421.35 = 5,465.07 : x
2. Step 2: Convert to fraction form
   9,002.54/12,421.35 = 5,465.07/x
3. Step 3: Cross multiply
   9,002.54x = 12,421.35 × 5,465.07
4. Step 4: Simplify right side
   9,002.54x = 67,883,547.24
5. Step 5: Solve for x
   x = 67,883,547.24/9,002.54
6. Step 6: Final answer
   x = 7,540.49