Finding the Fourth Proportional to 1,344.53, 1,855.31 and 846.99

Step by Step Solution

1. Step 1: Write the proportion equation
   1,344.53 : 1,855.31 = 846.99 : x
2. Step 2: Convert to fraction form
   1,344.53/1,855.31 = 846.99/x
3. Step 3: Cross multiply
   1,344.53x = 1,855.31 × 846.99
4. Step 4: Simplify right side
   1,344.53x = 1,571,424.78
5. Step 5: Solve for x
   x = 1,571,424.78/1,344.53
6. Step 6: Final answer
   x = 1,168.75