Finding the Fourth Proportional to 1,073.25, 1,481.18 and 607.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,073.25 : 1,481.18 = 607.59 : x
2. Step 2: Convert to fraction form
   1,073.25/1,481.18 = 607.59/x
3. Step 3: Cross multiply
   1,073.25x = 1,481.18 × 607.59
4. Step 4: Simplify right side
   1,073.25x = 899,947.12
5. Step 5: Solve for x
   x = 899,947.12/1,073.25
6. Step 6: Final answer
   x = 838.53