Finding the Fourth Proportional to 3,331.59, 4,993.83 and 2,507.31

Step by Step Solution

1. Step 1: Write the proportion equation
   3,331.59 : 4,993.83 = 2,507.31 : x
2. Step 2: Convert to fraction form
   3,331.59/4,993.83 = 2,507.31/x
3. Step 3: Cross multiply
   3,331.59x = 4,993.83 × 2,507.31
4. Step 4: Simplify right side
   3,331.59x = 12,521,079.90
5. Step 5: Solve for x
   x = 12,521,079.90/3,331.59
6. Step 6: Final answer
   x = 3,758.29