Finding the Fourth Proportional to 1,359.42, 2,039.94 and 710.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,359.42 : 2,039.94 = 710.88 : x
2. Step 2: Convert to fraction form
   1,359.42/2,039.94 = 710.88/x
3. Step 3: Cross multiply
   1,359.42x = 2,039.94 × 710.88
4. Step 4: Simplify right side
   1,359.42x = 1,450,152.55
5. Step 5: Solve for x
   x = 1,450,152.55/1,359.42
6. Step 6: Final answer
   x = 1,066.74