Finding the Fourth Proportional to 1,789.40, 2,680.91 and 1,526.73

Step by Step Solution

1. Step 1: Write the proportion equation
   1,789.40 : 2,680.91 = 1,526.73 : x
2. Step 2: Convert to fraction form
   1,789.40/2,680.91 = 1,526.73/x
3. Step 3: Cross multiply
   1,789.40x = 2,680.91 × 1,526.73
4. Step 4: Simplify right side
   1,789.40x = 4,093,019.49
5. Step 5: Solve for x
   x = 4,093,019.49/1,789.40
6. Step 6: Final answer
   x = 2,287.38