Finding the Fourth Proportional to 2,758.31, 4,134.32 and 1,372.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,758.31 : 4,134.32 = 1,372.60 : x
2. Step 2: Convert to fraction form
   2,758.31/4,134.32 = 1,372.60/x
3. Step 3: Cross multiply
   2,758.31x = 4,134.32 × 1,372.60
4. Step 4: Simplify right side
   2,758.31x = 5,674,767.63
5. Step 5: Solve for x
   x = 5,674,767.63/2,758.31
6. Step 6: Final answer
   x = 2,057.33