Finding the Fourth Proportional to 2,181.65, 3,274.78 and 1,360.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,181.65 : 3,274.78 = 1,360.50 : x
2. Step 2: Convert to fraction form
   2,181.65/3,274.78 = 1,360.50/x
3. Step 3: Cross multiply
   2,181.65x = 3,274.78 × 1,360.50
4. Step 4: Simplify right side
   2,181.65x = 4,455,325.06
5. Step 5: Solve for x
   x = 4,455,325.06/2,181.65
6. Step 6: Final answer
   x = 2,042.18