Finding the Fourth Proportional to 1,675.56, 2,514.18 and 751.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,675.56 : 2,514.18 = 751.78 : x
2. Step 2: Convert to fraction form
   1,675.56/2,514.18 = 751.78/x
3. Step 3: Cross multiply
   1,675.56x = 2,514.18 × 751.78
4. Step 4: Simplify right side
   1,675.56x = 1,890,116.20
5. Step 5: Solve for x
   x = 1,890,116.20/1,675.56
6. Step 6: Final answer
   x = 1,128.05