Finding the Fourth Proportional to 8,298.23, 12,443.31 and 2,749.70

Step by Step Solution

1. Step 1: Write the proportion equation
   8,298.23 : 12,443.31 = 2,749.70 : x
2. Step 2: Convert to fraction form
   8,298.23/12,443.31 = 2,749.70/x
3. Step 3: Cross multiply
   8,298.23x = 12,443.31 × 2,749.70
4. Step 4: Simplify right side
   8,298.23x = 34,215,369.51
5. Step 5: Solve for x
   x = 34,215,369.51/8,298.23
6. Step 6: Final answer
   x = 4,123.21