Finding the Fourth Proportional to 1,635.30, 2,255.82 and 1,169.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,635.30 : 2,255.82 = 1,169.82 : x
2. Step 2: Convert to fraction form
   1,635.30/2,255.82 = 1,169.82/x
3. Step 3: Cross multiply
   1,635.30x = 2,255.82 × 1,169.82
4. Step 4: Simplify right side
   1,635.30x = 2,638,903.35
5. Step 5: Solve for x
   x = 2,638,903.35/1,635.30
6. Step 6: Final answer
   x = 1,613.71