Finding the Fourth Proportional to 11,426.10, 17,139.20 and 4,026.54

Step by Step Solution

1. Step 1: Write the proportion equation
   11,426.10 : 17,139.20 = 4,026.54 : x
2. Step 2: Convert to fraction form
   11,426.10/17,139.20 = 4,026.54/x
3. Step 3: Cross multiply
   11,426.10x = 17,139.20 × 4,026.54
4. Step 4: Simplify right side
   11,426.10x = 69,011,718.51
5. Step 5: Solve for x
   x = 69,011,718.51/11,426.10
6. Step 6: Final answer
   x = 6,039.83