Finding the Fourth Proportional to 1,074.31, 1,482.69 and 654.79

Step by Step Solution

1. Step 1: Write the proportion equation
   1,074.31 : 1,482.69 = 654.79 : x
2. Step 2: Convert to fraction form
   1,074.31/1,482.69 = 654.79/x
3. Step 3: Cross multiply
   1,074.31x = 1,482.69 × 654.79
4. Step 4: Simplify right side
   1,074.31x = 970,850.59
5. Step 5: Solve for x
   x = 970,850.59/1,074.31
6. Step 6: Final answer
   x = 903.70