Finding the Fourth Proportional to 1,315.86, 1,814.06 and 895.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,315.86 : 1,814.06 = 895.56 : x
2. Step 2: Convert to fraction form
   1,315.86/1,814.06 = 895.56/x
3. Step 3: Cross multiply
   1,315.86x = 1,814.06 × 895.56
4. Step 4: Simplify right side
   1,315.86x = 1,624,595.10
5. Step 5: Solve for x
   x = 1,624,595.10/1,315.86
6. Step 6: Final answer
   x = 1,234.63