Finding the Fourth Proportional to 8,142.22, 12,212.88 and 2,298.52

Step by Step Solution

1. Step 1: Write the proportion equation
   8,142.22 : 12,212.88 = 2,298.52 : x
2. Step 2: Convert to fraction form
   8,142.22/12,212.88 = 2,298.52/x
3. Step 3: Cross multiply
   8,142.22x = 12,212.88 × 2,298.52
4. Step 4: Simplify right side
   8,142.22x = 28,071,548.94
5. Step 5: Solve for x
   x = 28,071,548.94/8,142.22
6. Step 6: Final answer
   x = 3,447.65