Finding the Fourth Proportional to 9,045.03, 12,480.69 and 5,066.31

Step by Step Solution

1. Step 1: Write the proportion equation
   9,045.03 : 12,480.69 = 5,066.31 : x
2. Step 2: Convert to fraction form
   9,045.03/12,480.69 = 5,066.31/x
3. Step 3: Cross multiply
   9,045.03x = 12,480.69 × 5,066.31
4. Step 4: Simplify right side
   9,045.03x = 63,231,044.55
5. Step 5: Solve for x
   x = 63,231,044.55/9,045.03
6. Step 6: Final answer
   x = 6,990.69