Finding the Fourth Proportional to 1,751.89, 2,417.52 and 1,005.79

Step by Step Solution

1. Step 1: Write the proportion equation
   1,751.89 : 2,417.52 = 1,005.79 : x
2. Step 2: Convert to fraction form
   1,751.89/2,417.52 = 1,005.79/x
3. Step 3: Cross multiply
   1,751.89x = 2,417.52 × 1,005.79
4. Step 4: Simplify right side
   1,751.89x = 2,431,517.44
5. Step 5: Solve for x
   x = 2,431,517.44/1,751.89
6. Step 6: Final answer
   x = 1,387.94