Finding the Fourth Proportional to 1,050.10, 1,448.96 and 608.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,050.10 : 1,448.96 = 608.04 : x
2. Step 2: Convert to fraction form
   1,050.10/1,448.96 = 608.04/x
3. Step 3: Cross multiply
   1,050.10x = 1,448.96 × 608.04
4. Step 4: Simplify right side
   1,050.10x = 881,022.60
5. Step 5: Solve for x
   x = 881,022.60/1,050.10
6. Step 6: Final answer
   x = 838.99