Finding the Fourth Proportional to 1,757.73, 2,426.01 and 1,129.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,757.73 : 2,426.01 = 1,129.05 : x
2. Step 2: Convert to fraction form
   1,757.73/2,426.01 = 1,129.05/x
3. Step 3: Cross multiply
   1,757.73x = 2,426.01 × 1,129.05
4. Step 4: Simplify right side
   1,757.73x = 2,739,086.59
5. Step 5: Solve for x
   x = 2,739,086.59/1,757.73
6. Step 6: Final answer
   x = 1,558.31