Finding the Fourth Proportional to 1,760, 2,426.59 and 1,129.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,760 : 2,426.59 = 1,129.42 : x
2. Step 2: Convert to fraction form
   1,760/2,426.59 = 1,129.42/x
3. Step 3: Cross multiply
   1,760x = 2,426.59 × 1,129.42
4. Step 4: Simplify right side
   1,760x = 2,740,627.14
5. Step 5: Solve for x
   x = 2,740,627.14/1,760
6. Step 6: Final answer
   x = 1,557.17