Finding the Fourth Proportional to 1,435.45, 1,981.35 and 846.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,435.45 : 1,981.35 = 846.18 : x
2. Step 2: Convert to fraction form
   1,435.45/1,981.35 = 846.18/x
3. Step 3: Cross multiply
   1,435.45x = 1,981.35 × 846.18
4. Step 4: Simplify right side
   1,435.45x = 1,676,578.74
5. Step 5: Solve for x
   x = 1,676,578.74/1,435.45
6. Step 6: Final answer
   x = 1,167.98