Finding the Fourth Proportional to 1,789.88, 2,681.64 and 747.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,789.88 : 2,681.64 = 747.59 : x
2. Step 2: Convert to fraction form
   1,789.88/2,681.64 = 747.59/x
3. Step 3: Cross multiply
   1,789.88x = 2,681.64 × 747.59
4. Step 4: Simplify right side
   1,789.88x = 2,004,766.70
5. Step 5: Solve for x
   x = 2,004,766.70/1,789.88
6. Step 6: Final answer
   x = 1,120.06