Finding the Fourth Proportional to 1,736.86, 2,606.32 and 697.09

Step by Step Solution

1. Step 1: Write the proportion equation
   1,736.86 : 2,606.32 = 697.09 : x
2. Step 2: Convert to fraction form
   1,736.86/2,606.32 = 697.09/x
3. Step 3: Cross multiply
   1,736.86x = 2,606.32 × 697.09
4. Step 4: Simplify right side
   1,736.86x = 1,816,839.61
5. Step 5: Solve for x
   x = 1,816,839.61/1,736.86
6. Step 6: Final answer
   x = 1,046.05