Finding the Fourth Proportional to 3,123.50, 4,689.34 and 2,434.58

Step by Step Solution

1. Step 1: Write the proportion equation
   3,123.50 : 4,689.34 = 2,434.58 : x
2. Step 2: Convert to fraction form
   3,123.50/4,689.34 = 2,434.58/x
3. Step 3: Cross multiply
   3,123.50x = 4,689.34 × 2,434.58
4. Step 4: Simplify right side
   3,123.50x = 11,416,573.38
5. Step 5: Solve for x
   x = 11,416,573.38/3,123.50
6. Step 6: Final answer
   x = 3,655.06