Finding the Fourth Proportional to 1,073.10, 1,480.86 and 607.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,073.10 : 1,480.86 = 607.32 : x
2. Step 2: Convert to fraction form
   1,073.10/1,480.86 = 607.32/x
3. Step 3: Cross multiply
   1,073.10x = 1,480.86 × 607.32
4. Step 4: Simplify right side
   1,073.10x = 899,355.90
5. Step 5: Solve for x
   x = 899,355.90/1,073.10
6. Step 6: Final answer
   x = 838.09