Finding the Fourth Proportional to 1,895.69, 2,616.17 and 1,056.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,895.69 : 2,616.17 = 1,056.38 : x
2. Step 2: Convert to fraction form
   1,895.69/2,616.17 = 1,056.38/x
3. Step 3: Cross multiply
   1,895.69x = 2,616.17 × 1,056.38
4. Step 4: Simplify right side
   1,895.69x = 2,763,651.30
5. Step 5: Solve for x
   x = 2,763,651.30/1,895.69
6. Step 6: Final answer
   x = 1,457.86