Finding the Fourth Proportional to 1,435.66, 1,981.58 and 846.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,435.66 : 1,981.58 = 846.38 : x
2. Step 2: Convert to fraction form
   1,435.66/1,981.58 = 846.38/x
3. Step 3: Cross multiply
   1,435.66x = 1,981.58 × 846.38
4. Step 4: Simplify right side
   1,435.66x = 1,677,170.40
5. Step 5: Solve for x
   x = 1,677,170.40/1,435.66
6. Step 6: Final answer
   x = 1,168.22