Finding the Fourth Proportional to 1,435.57, 1,981.19 and 846.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,435.57 : 1,981.19 = 846.56 : x
2. Step 2: Convert to fraction form
   1,435.57/1,981.19 = 846.56/x
3. Step 3: Cross multiply
   1,435.57x = 1,981.19 × 846.56
4. Step 4: Simplify right side
   1,435.57x = 1,677,196.21
5. Step 5: Solve for x
   x = 1,677,196.21/1,435.57
6. Step 6: Final answer
   x = 1,168.31