Finding the Fourth Proportional to 6,862.59, 10,292.31 and 4,090.05

Step by Step Solution

1. Step 1: Write the proportion equation
   6,862.59 : 10,292.31 = 4,090.05 : x
2. Step 2: Convert to fraction form
   6,862.59/10,292.31 = 4,090.05/x
3. Step 3: Cross multiply
   6,862.59x = 10,292.31 × 4,090.05
4. Step 4: Simplify right side
   6,862.59x = 42,096,062.52
5. Step 5: Solve for x
   x = 42,096,062.52/6,862.59
6. Step 6: Final answer
   x = 6,134.14