Finding the Fourth Proportional to 5,717.70, 7,916.67 and 5,426.10

Step by Step Solution

1. Step 1: Write the proportion equation
   5,717.70 : 7,916.67 = 5,426.10 : x
2. Step 2: Convert to fraction form
   5,717.70/7,916.67 = 5,426.10/x
3. Step 3: Cross multiply
   5,717.70x = 7,916.67 × 5,426.10
4. Step 4: Simplify right side
   5,717.70x = 42,956,643.09
5. Step 5: Solve for x
   x = 42,956,643.09/5,717.70
6. Step 6: Final answer
   x = 7,512.92