Finding the Fourth Proportional to 1,789.31, 2,469.54 and 1,081.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,789.31 : 2,469.54 = 1,081.25 : x
2. Step 2: Convert to fraction form
   1,789.31/2,469.54 = 1,081.25/x
3. Step 3: Cross multiply
   1,789.31x = 2,469.54 × 1,081.25
4. Step 4: Simplify right side
   1,789.31x = 2,670,190.99
5. Step 5: Solve for x
   x = 2,670,190.99/1,789.31
6. Step 6: Final answer
   x = 1,492.30