Finding the Fourth Proportional to 1,616.24, 2,229.72 and 1,056.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,616.24 : 2,229.72 = 1,056.50 : x
2. Step 2: Convert to fraction form
   1,616.24/2,229.72 = 1,056.50/x
3. Step 3: Cross multiply
   1,616.24x = 2,229.72 × 1,056.50
4. Step 4: Simplify right side
   1,616.24x = 2,355,699.18
5. Step 5: Solve for x
   x = 2,355,699.18/1,616.24
6. Step 6: Final answer
   x = 1,457.52