Finding the Fourth Proportional to 1,895.57, 2,616.00 and 1,056.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,895.57 : 2,616.00 = 1,056.31 : x
2. Step 2: Convert to fraction form
   1,895.57/2,616.00 = 1,056.31/x
3. Step 3: Cross multiply
   1,895.57x = 2,616.00 × 1,056.31
4. Step 4: Simplify right side
   1,895.57x = 2,763,296.46
5. Step 5: Solve for x
   x = 2,763,296.46/1,895.57
6. Step 6: Final answer
   x = 1,457.77