Finding the Fourth Proportional to 1,616.33, 2,229.74 and 1,056.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,616.33 : 2,229.74 = 1,056.83 : x
2. Step 2: Convert to fraction form
   1,616.33/2,229.74 = 1,056.83/x
3. Step 3: Cross multiply
   1,616.33x = 2,229.74 × 1,056.83
4. Step 4: Simplify right side
   1,616.33x = 2,356,443.65
5. Step 5: Solve for x
   x = 2,356,443.65/1,616.33
6. Step 6: Final answer
   x = 1,457.90