Finding the Fourth Proportional to 4,123.85, 5,691.89 and 2,356.47

Step by Step Solution

1. Step 1: Write the proportion equation
   4,123.85 : 5,691.89 = 2,356.47 : x
2. Step 2: Convert to fraction form
   4,123.85/5,691.89 = 2,356.47/x
3. Step 3: Cross multiply
   4,123.85x = 5,691.89 × 2,356.47
4. Step 4: Simplify right side
   4,123.85x = 13,412,773.92
5. Step 5: Solve for x
   x = 13,412,773.92/4,123.85
6. Step 6: Final answer
   x = 3,252.49