Finding the Fourth Proportional to 1,820.37, 2,729.75 and 846.75

Step by Step Solution

1. Step 1: Write the proportion equation
   1,820.37 : 2,729.75 = 846.75 : x
2. Step 2: Convert to fraction form
   1,820.37/2,729.75 = 846.75/x
3. Step 3: Cross multiply
   1,820.37x = 2,729.75 × 846.75
4. Step 4: Simplify right side
   1,820.37x = 2,311,411.58
5. Step 5: Solve for x
   x = 2,311,411.58/1,820.37
6. Step 6: Final answer
   x = 1,269.75