Finding the Fourth Proportional to 1,316.34, 1,815.62 and 844.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,316.34 : 1,815.62 = 844.25 : x
2. Step 2: Convert to fraction form
   1,316.34/1,815.62 = 844.25/x
3. Step 3: Cross multiply
   1,316.34x = 1,815.62 × 844.25
4. Step 4: Simplify right side
   1,316.34x = 1,532,823.89
5. Step 5: Solve for x
   x = 1,532,823.89/1,316.34
6. Step 6: Final answer
   x = 1,164.46