Finding the Fourth Proportional to 1,654.77, 2,284.10 and 1,065.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,654.77 : 2,284.10 = 1,065.31 : x
2. Step 2: Convert to fraction form
   1,654.77/2,284.10 = 1,065.31/x
3. Step 3: Cross multiply
   1,654.77x = 2,284.10 × 1,065.31
4. Step 4: Simplify right side
   1,654.77x = 2,433,259.25
5. Step 5: Solve for x
   x = 2,433,259.25/1,654.77
6. Step 6: Final answer
   x = 1,470.45