Finding the Fourth Proportional to 1,073.98, 1,482.31 and 608.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,073.98 : 1,482.31 = 608.38 : x
2. Step 2: Convert to fraction form
   1,073.98/1,482.31 = 608.38/x
3. Step 3: Cross multiply
   1,073.98x = 1,482.31 × 608.38
4. Step 4: Simplify right side
   1,073.98x = 901,807.76
5. Step 5: Solve for x
   x = 901,807.76/1,073.98
6. Step 6: Final answer
   x = 839.69