Finding the Fourth Proportional to 2,123.10, 2,930.67 and 1,337.70

Step by Step Solution

1. Step 1: Write the proportion equation
   2,123.10 : 2,930.67 = 1,337.70 : x
2. Step 2: Convert to fraction form
   2,123.10/2,930.67 = 1,337.70/x
3. Step 3: Cross multiply
   2,123.10x = 2,930.67 × 1,337.70
4. Step 4: Simplify right side
   2,123.10x = 3,920,357.26
5. Step 5: Solve for x
   x = 3,920,357.26/2,123.10
6. Step 6: Final answer
   x = 1,846.53