Finding the Fourth Proportional to 1,359.89, 2,038.60 and 494.00

Step by Step Solution

1. Step 1: Write the proportion equation
   1,359.89 : 2,038.60 = 494.00 : x
2. Step 2: Convert to fraction form
   1,359.89/2,038.60 = 494.00/x
3. Step 3: Cross multiply
   1,359.89x = 2,038.60 × 494.00
4. Step 4: Simplify right side
   1,359.89x = 1,007,066.47
5. Step 5: Solve for x
   x = 1,007,066.47/1,359.89
6. Step 6: Final answer
   x = 740.55