Finding the Fourth Proportional to 1,092.69, 1,642.34 and 710.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,092.69 : 1,642.34 = 710.37 : x
2. Step 2: Convert to fraction form
   1,092.69/1,642.34 = 710.37/x
3. Step 3: Cross multiply
   1,092.69x = 1,642.34 × 710.37
4. Step 4: Simplify right side
   1,092.69x = 1,166,665.51
5. Step 5: Solve for x
   x = 1,166,665.51/1,092.69
6. Step 6: Final answer
   x = 1,067.70