Finding the Fourth Proportional to 6,569.76, 9,066.38 and 3,918.72

Step by Step Solution

1. Step 1: Write the proportion equation
   6,569.76 : 9,066.38 = 3,918.72 : x
2. Step 2: Convert to fraction form
   6,569.76/9,066.38 = 3,918.72/x
3. Step 3: Cross multiply
   6,569.76x = 9,066.38 × 3,918.72
4. Step 4: Simplify right side
   6,569.76x = 35,528,585.04
5. Step 5: Solve for x
   x = 35,528,585.04/6,569.76
6. Step 6: Final answer
   x = 5,407.90