Finding the Fourth Proportional to 1,654.89, 2,283.78 and 1,065.63

Step by Step Solution

1. Step 1: Write the proportion equation
   1,654.89 : 2,283.78 = 1,065.63 : x
2. Step 2: Convert to fraction form
   1,654.89/2,283.78 = 1,065.63/x
3. Step 3: Cross multiply
   1,654.89x = 2,283.78 × 1,065.63
4. Step 4: Simplify right side
   1,654.89x = 2,433,664.48
5. Step 5: Solve for x
   x = 2,433,664.48/1,654.89
6. Step 6: Final answer
   x = 1,470.59