Finding the Fourth Proportional to 1,736.36, 2,605.57 and 696.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,736.36 : 2,605.57 = 696.59 : x
2. Step 2: Convert to fraction form
   1,736.36/2,605.57 = 696.59/x
3. Step 3: Cross multiply
   1,736.36x = 2,605.57 × 696.59
4. Step 4: Simplify right side
   1,736.36x = 1,815,000.98
5. Step 5: Solve for x
   x = 1,815,000.98/1,736.36
6. Step 6: Final answer
   x = 1,045.29