Finding the Fourth Proportional to 1,435.50, 1,981.20 and 846.36

Step by Step Solution

1. Step 1: Write the proportion equation
   1,435.50 : 1,981.20 = 846.36 : x
2. Step 2: Convert to fraction form
   1,435.50/1,981.20 = 846.36/x
3. Step 3: Cross multiply
   1,435.50x = 1,981.20 × 846.36
4. Step 4: Simplify right side
   1,435.50x = 1,676,808.43
5. Step 5: Solve for x
   x = 1,676,808.43/1,435.50
6. Step 6: Final answer
   x = 1,168.10