Finding the Fourth Proportional to 2,242.18, 3,360.84 and 1,085.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,242.18 : 3,360.84 = 1,085.50 : x
2. Step 2: Convert to fraction form
   2,242.18/3,360.84 = 1,085.50/x
3. Step 3: Cross multiply
   2,242.18x = 3,360.84 × 1,085.50
4. Step 4: Simplify right side
   2,242.18x = 3,648,191.82
5. Step 5: Solve for x
   x = 3,648,191.82/2,242.18
6. Step 6: Final answer
   x = 1,627.07