Finding the Fourth Proportional to 1,073.50, 1,481.42 and 607.75

Step by Step Solution

1. Step 1: Write the proportion equation
   1,073.50 : 1,481.42 = 607.75 : x
2. Step 2: Convert to fraction form
   1,073.50/1,481.42 = 607.75/x
3. Step 3: Cross multiply
   1,073.50x = 1,481.42 × 607.75
4. Step 4: Simplify right side
   1,073.50x = 900,333.01
5. Step 5: Solve for x
   x = 900,333.01/1,073.50
6. Step 6: Final answer
   x = 838.69