Finding the Fourth Proportional to 10,426.64, 14,388.76 and 5,710.92

Step by Step Solution

1. Step 1: Write the proportion equation
   10,426.64 : 14,388.76 = 5,710.92 : x
2. Step 2: Convert to fraction form
   10,426.64/14,388.76 = 5,710.92/x
3. Step 3: Cross multiply
   10,426.64x = 14,388.76 × 5,710.92
4. Step 4: Simplify right side
   10,426.64x = 82,173,057.26
5. Step 5: Solve for x
   x = 82,173,057.26/10,426.64
6. Step 6: Final answer
   x = 7,881.07