Finding the Fourth Proportional to 2,059.82, 3,089.09 and 691.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,059.82 : 3,089.09 = 691.50 : x
2. Step 2: Convert to fraction form
   2,059.82/3,089.09 = 691.50/x
3. Step 3: Cross multiply
   2,059.82x = 3,089.09 × 691.50
4. Step 4: Simplify right side
   2,059.82x = 2,136,105.74
5. Step 5: Solve for x
   x = 2,136,105.74/2,059.82
6. Step 6: Final answer
   x = 1,037.04