Finding the Fourth Proportional to 5,665.25, 7,816.86 and 3,426.69

Step by Step Solution

1. Step 1: Write the proportion equation
   5,665.25 : 7,816.86 = 3,426.69 : x
2. Step 2: Convert to fraction form
   5,665.25/7,816.86 = 3,426.69/x
3. Step 3: Cross multiply
   5,665.25x = 7,816.86 × 3,426.69
4. Step 4: Simplify right side
   5,665.25x = 26,785,955.99
5. Step 5: Solve for x
   x = 26,785,955.99/5,665.25
6. Step 6: Final answer
   x = 4,728.12