Finding the Fourth Proportional to 1,767.42, 2,441.52 and 1,636.20

Step by Step Solution

1. Step 1: Write the proportion equation
   1,767.42 : 2,441.52 = 1,636.20 : x
2. Step 2: Convert to fraction form
   1,767.42/2,441.52 = 1,636.20/x
3. Step 3: Cross multiply
   1,767.42x = 2,441.52 × 1,636.20
4. Step 4: Simplify right side
   1,767.42x = 3,994,815.02
5. Step 5: Solve for x
   x = 3,994,815.02/1,767.42
6. Step 6: Final answer
   x = 2,260.25