Finding the Fourth Proportional to 2,422.98, 3,634.52 and 691.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,422.98 : 3,634.52 = 691.61 : x
2. Step 2: Convert to fraction form
   2,422.98/3,634.52 = 691.61/x
3. Step 3: Cross multiply
   2,422.98x = 3,634.52 × 691.61
4. Step 4: Simplify right side
   2,422.98x = 2,513,648.75
5. Step 5: Solve for x
   x = 2,513,648.75/2,422.98
6. Step 6: Final answer
   x = 1,037.42