Finding the Fourth Proportional to 6,390.34, 9,586.72 and 2,494.50

Step by Step Solution

1. Step 1: Write the proportion equation
   6,390.34 : 9,586.72 = 2,494.50 : x
2. Step 2: Convert to fraction form
   6,390.34/9,586.72 = 2,494.50/x
3. Step 3: Cross multiply
   6,390.34x = 9,586.72 × 2,494.50
4. Step 4: Simplify right side
   6,390.34x = 23,914,073.04
5. Step 5: Solve for x
   x = 23,914,073.04/6,390.34
6. Step 6: Final answer
   x = 3,742.22