Finding the Fourth Proportional to 1,760.56, 2,639.22 and 605.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,760.56 : 2,639.22 = 605.50 : x
2. Step 2: Convert to fraction form
   1,760.56/2,639.22 = 605.50/x
3. Step 3: Cross multiply
   1,760.56x = 2,639.22 × 605.50
4. Step 4: Simplify right side
   1,760.56x = 1,598,047.71
5. Step 5: Solve for x
   x = 1,598,047.71/1,760.56
6. Step 6: Final answer
   x = 907.69