Finding the Fourth Proportional to 2,152.78, 3,224.29 and 2,104.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,152.78 : 3,224.29 = 2,104.18 : x
2. Step 2: Convert to fraction form
   2,152.78/3,224.29 = 2,104.18/x
3. Step 3: Cross multiply
   2,152.78x = 3,224.29 × 2,104.18
4. Step 4: Simplify right side
   2,152.78x = 6,784,486.53
5. Step 5: Solve for x
   x = 6,784,486.53/2,152.78
6. Step 6: Final answer
   x = 3,151.50