Finding the Fourth Proportional to 2,125.57, 2,934.35 and 1,329.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,125.57 : 2,934.35 = 1,329.34 : x
2. Step 2: Convert to fraction form
   2,125.57/2,934.35 = 1,329.34/x
3. Step 3: Cross multiply
   2,125.57x = 2,934.35 × 1,329.34
4. Step 4: Simplify right side
   2,125.57x = 3,900,748.83
5. Step 5: Solve for x
   x = 3,900,748.83/2,125.57
6. Step 6: Final answer
   x = 1,835.15