Finding the Fourth Proportional to 1,073.34, 1,481.13 and 607.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,073.34 : 1,481.13 = 607.50 : x
2. Step 2: Convert to fraction form
   1,073.34/1,481.13 = 607.50/x
3. Step 3: Cross multiply
   1,073.34x = 1,481.13 × 607.50
4. Step 4: Simplify right side
   1,073.34x = 899,786.48
5. Step 5: Solve for x
   x = 899,786.48/1,073.34
6. Step 6: Final answer
   x = 838.31