Finding the Fourth Proportional to 2,869.43, 4,300.55 and 1,224.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,869.43 : 4,300.55 = 1,224.05 : x
2. Step 2: Convert to fraction form
   2,869.43/4,300.55 = 1,224.05/x
3. Step 3: Cross multiply
   2,869.43x = 4,300.55 × 1,224.05
4. Step 4: Simplify right side
   2,869.43x = 5,264,088.23
5. Step 5: Solve for x
   x = 5,264,088.23/2,869.43
6. Step 6: Final answer
   x = 1,834.54