Finding the Fourth Proportional to 7,446.16, 10,275.71 and 4,089.19

Step by Step Solution

1. Step 1: Write the proportion equation
   7,446.16 : 10,275.71 = 4,089.19 : x
2. Step 2: Convert to fraction form
   7,446.16/10,275.71 = 4,089.19/x
3. Step 3: Cross multiply
   7,446.16x = 10,275.71 × 4,089.19
4. Step 4: Simplify right side
   7,446.16x = 42,019,330.57
5. Step 5: Solve for x
   x = 42,019,330.57/7,446.16
6. Step 6: Final answer
   x = 5,643.09