Finding the Fourth Proportional to 1,049.56, 1,448.30 and 607.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,049.56 : 1,448.30 = 607.32 : x
2. Step 2: Convert to fraction form
   1,049.56/1,448.30 = 607.32/x
3. Step 3: Cross multiply
   1,049.56x = 1,448.30 × 607.32
4. Step 4: Simplify right side
   1,049.56x = 879,581.56
5. Step 5: Solve for x
   x = 879,581.56/1,049.56
6. Step 6: Final answer
   x = 838.05