Finding the Fourth Proportional to 8,062.42, 12,098.25 and 3,131.42

Step by Step Solution

1. Step 1: Write the proportion equation
   8,062.42 : 12,098.25 = 3,131.42 : x
2. Step 2: Convert to fraction form
   8,062.42/12,098.25 = 3,131.42/x
3. Step 3: Cross multiply
   8,062.42x = 12,098.25 × 3,131.42
4. Step 4: Simplify right side
   8,062.42x = 37,884,720.52
5. Step 5: Solve for x
   x = 37,884,720.52/8,062.42
6. Step 6: Final answer
   x = 4,698.93