Finding the Fourth Proportional to 8,454.50, 12,681.78 and 2,298.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,454.50 : 12,681.78 = 2,298.50 : x
2. Step 2: Convert to fraction form
   8,454.50/12,681.78 = 2,298.50/x
3. Step 3: Cross multiply
   8,454.50x = 12,681.78 × 2,298.50
4. Step 4: Simplify right side
   8,454.50x = 29,149,071.33
5. Step 5: Solve for x
   x = 29,149,071.33/8,454.50
6. Step 6: Final answer
   x = 3,447.76