Finding the Fourth Proportional to 1,050.93, 1,449.81 and 608.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,050.93 : 1,449.81 = 608.72 : x
2. Step 2: Convert to fraction form
   1,050.93/1,449.81 = 608.72/x
3. Step 3: Cross multiply
   1,050.93x = 1,449.81 × 608.72
4. Step 4: Simplify right side
   1,050.93x = 882,521.09
5. Step 5: Solve for x
   x = 882,521.09/1,050.93
6. Step 6: Final answer
   x = 839.75