Finding the Fourth Proportional to 1,359.32, 2,039.10 and 493.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,359.32 : 2,039.10 = 493.42 : x
2. Step 2: Convert to fraction form
   1,359.32/2,039.10 = 493.42/x
3. Step 3: Cross multiply
   1,359.32x = 2,039.10 × 493.42
4. Step 4: Simplify right side
   1,359.32x = 1,006,132.72
5. Step 5: Solve for x
   x = 1,006,132.72/1,359.32
6. Step 6: Final answer
   x = 740.17