Finding the Fourth Proportional to 7,026.30, 10,542.89 and 3,908.61

Step by Step Solution

1. Step 1: Write the proportion equation
   7,026.30 : 10,542.89 = 3,908.61 : x
2. Step 2: Convert to fraction form
   7,026.30/10,542.89 = 3,908.61/x
3. Step 3: Cross multiply
   7,026.30x = 10,542.89 × 3,908.61
4. Step 4: Simplify right side
   7,026.30x = 41,208,025.74
5. Step 5: Solve for x
   x = 41,208,025.74/7,026.30
6. Step 6: Final answer
   x = 5,864.83