Finding the Fourth Proportional to 1,049.41, 1,447.86 and 607.20

Step by Step Solution

1. Step 1: Write the proportion equation
   1,049.41 : 1,447.86 = 607.20 : x
2. Step 2: Convert to fraction form
   1,049.41/1,447.86 = 607.20/x
3. Step 3: Cross multiply
   1,049.41x = 1,447.86 × 607.20
4. Step 4: Simplify right side
   1,049.41x = 879,140.59
5. Step 5: Solve for x
   x = 879,140.59/1,049.41
6. Step 6: Final answer
   x = 837.75