Finding the Fourth Proportional to 9,019.12, 12,445.76 and 5,040.08

Step by Step Solution

1. Step 1: Write the proportion equation
   9,019.12 : 12,445.76 = 5,040.08 : x
2. Step 2: Convert to fraction form
   9,019.12/12,445.76 = 5,040.08/x
3. Step 3: Cross multiply
   9,019.12x = 12,445.76 × 5,040.08
4. Step 4: Simplify right side
   9,019.12x = 62,727,626.06
5. Step 5: Solve for x
   x = 62,727,626.06/9,019.12
6. Step 6: Final answer
   x = 6,954.96