Finding the Fourth Proportional to 6,686.88, 10,040.17 and 3,731.09

Step by Step Solution

1. Step 1: Write the proportion equation
   6,686.88 : 10,040.17 = 3,731.09 : x
2. Step 2: Convert to fraction form
   6,686.88/10,040.17 = 3,731.09/x
3. Step 3: Cross multiply
   6,686.88x = 10,040.17 × 3,731.09
4. Step 4: Simplify right side
   6,686.88x = 37,460,777.89
5. Step 5: Solve for x
   x = 37,460,777.89/6,686.88
6. Step 6: Final answer
   x = 5,602.13