Finding the Fourth Proportional to 1,789.89, 2,469.36 and 1,117.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,789.89 : 2,469.36 = 1,117.32 : x
2. Step 2: Convert to fraction form
   1,789.89/2,469.36 = 1,117.32/x
3. Step 3: Cross multiply
   1,789.89x = 2,469.36 × 1,117.32
4. Step 4: Simplify right side
   1,789.89x = 2,759,065.32
5. Step 5: Solve for x
   x = 2,759,065.32/1,789.89
6. Step 6: Final answer
   x = 1,541.47