Finding the Fourth Proportional to 12,294.90, 18,439.82 and 3,527.86

Step by Step Solution

1. Step 1: Write the proportion equation
   12,294.90 : 18,439.82 = 3,527.86 : x
2. Step 2: Convert to fraction form
   12,294.90/18,439.82 = 3,527.86/x
3. Step 3: Cross multiply
   12,294.90x = 18,439.82 × 3,527.86
4. Step 4: Simplify right side
   12,294.90x = 65,053,103.39
5. Step 5: Solve for x
   x = 65,053,103.39/12,294.90
6. Step 6: Final answer
   x = 5,291.06