Finding the Fourth Proportional to 1,752.74, 2,631.69 and 1,171.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,752.74 : 2,631.69 = 1,171.34 : x
2. Step 2: Convert to fraction form
   1,752.74/2,631.69 = 1,171.34/x
3. Step 3: Cross multiply
   1,752.74x = 2,631.69 × 1,171.34
4. Step 4: Simplify right side
   1,752.74x = 3,082,590.61
5. Step 5: Solve for x
   x = 3,082,590.61/1,752.74
6. Step 6: Final answer
   x = 1,758.73