Finding the Fourth Proportional to 1,050.24, 1,449.31 and 608.13

Step by Step Solution

1. Step 1: Write the proportion equation
   1,050.24 : 1,449.31 = 608.13 : x
2. Step 2: Convert to fraction form
   1,050.24/1,449.31 = 608.13/x
3. Step 3: Cross multiply
   1,050.24x = 1,449.31 × 608.13
4. Step 4: Simplify right side
   1,050.24x = 881,368.89
5. Step 5: Solve for x
   x = 881,368.89/1,050.24
6. Step 6: Final answer
   x = 839.21