Finding the Fourth Proportional to 11,426.87, 17,142.87 and 4,031.39

Step by Step Solution

1. Step 1: Write the proportion equation
   11,426.87 : 17,142.87 = 4,031.39 : x
2. Step 2: Convert to fraction form
   11,426.87/17,142.87 = 4,031.39/x
3. Step 3: Cross multiply
   11,426.87x = 17,142.87 × 4,031.39
4. Step 4: Simplify right side
   11,426.87x = 69,109,594.69
5. Step 5: Solve for x
   x = 69,109,594.69/11,426.87
6. Step 6: Final answer
   x = 6,047.99