Finding the Fourth Proportional to 1,726.10, 2,590.06 and 751.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,726.10 : 2,590.06 = 751.06 : x
2. Step 2: Convert to fraction form
   1,726.10/2,590.06 = 751.06/x
3. Step 3: Cross multiply
   1,726.10x = 2,590.06 × 751.06
4. Step 4: Simplify right side
   1,726.10x = 1,945,290.46
5. Step 5: Solve for x
   x = 1,945,290.46/1,726.10
6. Step 6: Final answer
   x = 1,126.99