Finding the Fourth Proportional to 895.56, 1,340.38 and 812.52

Step by Step Solution

1. Step 1: Write the proportion equation
   895.56 : 1,340.38 = 812.52 : x
2. Step 2: Convert to fraction form
   895.56/1,340.38 = 812.52/x
3. Step 3: Cross multiply
   895.56x = 1,340.38 × 812.52
4. Step 4: Simplify right side
   895.56x = 1,089,085.56
5. Step 5: Solve for x
   x = 1,089,085.56/895.56
6. Step 6: Final answer
   x = 1,216.09