Finding the Fourth Proportional to 2,335.34, 3,503.58 and 691.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,335.34 : 3,503.58 = 691.82 : x
2. Step 2: Convert to fraction form
   2,335.34/3,503.58 = 691.82/x
3. Step 3: Cross multiply
   2,335.34x = 3,503.58 × 691.82
4. Step 4: Simplify right side
   2,335.34x = 2,423,846.72
5. Step 5: Solve for x
   x = 2,423,846.72/2,335.34
6. Step 6: Final answer
   x = 1,037.90