Finding the Fourth Proportional to 1,404.74, 2,105.39 and 710.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,404.74 : 2,105.39 = 710.37 : x
2. Step 2: Convert to fraction form
   1,404.74/2,105.39 = 710.37/x
3. Step 3: Cross multiply
   1,404.74x = 2,105.39 × 710.37
4. Step 4: Simplify right side
   1,404.74x = 1,495,607.67
5. Step 5: Solve for x
   x = 1,495,607.67/1,404.74
6. Step 6: Final answer
   x = 1,064.68