Finding the Fourth Proportional to 2,008.42, 3,012.39 and 710.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,008.42 : 3,012.39 = 710.02 : x
2. Step 2: Convert to fraction form
   2,008.42/3,012.39 = 710.02/x
3. Step 3: Cross multiply
   2,008.42x = 3,012.39 × 710.02
4. Step 4: Simplify right side
   2,008.42x = 2,138,857.15
5. Step 5: Solve for x
   x = 2,138,857.15/2,008.42
6. Step 6: Final answer
   x = 1,064.95