Finding the Fourth Proportional to 1,759.69, 2,426.16 and 1,129.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,759.69 : 2,426.16 = 1,129.10 : x
2. Step 2: Convert to fraction form
   1,759.69/2,426.16 = 1,129.10/x
3. Step 3: Cross multiply
   1,759.69x = 2,426.16 × 1,129.10
4. Step 4: Simplify right side
   1,759.69x = 2,739,378.77
5. Step 5: Solve for x
   x = 2,739,378.77/1,759.69
6. Step 6: Final answer
   x = 1,556.74