Finding the Fourth Proportional to 1,757.85, 2,425.98 and 1,012.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,757.85 : 2,425.98 = 1,012.05 : x
2. Step 2: Convert to fraction form
   1,757.85/2,425.98 = 1,012.05/x
3. Step 3: Cross multiply
   1,757.85x = 2,425.98 × 1,012.05
4. Step 4: Simplify right side
   1,757.85x = 2,455,213.06
5. Step 5: Solve for x
   x = 2,455,213.06/1,757.85
6. Step 6: Final answer
   x = 1,396.71