Finding the Fourth Proportional to 1,677.15, 2,514.69 and 752.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,677.15 : 2,514.69 = 752.55 : x
2. Step 2: Convert to fraction form
   1,677.15/2,514.69 = 752.55/x
3. Step 3: Cross multiply
   1,677.15x = 2,514.69 × 752.55
4. Step 4: Simplify right side
   1,677.15x = 1,892,429.96
5. Step 5: Solve for x
   x = 1,892,429.96/1,677.15
6. Step 6: Final answer
   x = 1,128.36