Finding the Fourth Proportional to 1,314.61, 1,812.33 and 894.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,314.61 : 1,812.33 = 894.31 : x
2. Step 2: Convert to fraction form
   1,314.61/1,812.33 = 894.31/x
3. Step 3: Cross multiply
   1,314.61x = 1,812.33 × 894.31
4. Step 4: Simplify right side
   1,314.61x = 1,620,784.84
5. Step 5: Solve for x
   x = 1,620,784.84/1,314.61
6. Step 6: Final answer
   x = 1,232.90