Finding the Fourth Proportional to 1,881.15, 2,824.94 and 1,224.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,881.15 : 2,824.94 = 1,224.15 : x
2. Step 2: Convert to fraction form
   1,881.15/2,824.94 = 1,224.15/x
3. Step 3: Cross multiply
   1,881.15x = 2,824.94 × 1,224.15
4. Step 4: Simplify right side
   1,881.15x = 3,458,150.30
5. Step 5: Solve for x
   x = 3,458,150.30/1,881.15
6. Step 6: Final answer
   x = 1,838.32