Finding the Fourth Proportional to 1,435.92, 1,981.36 and 876.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,435.92 : 1,981.36 = 876.41 : x
2. Step 2: Convert to fraction form
   1,435.92/1,981.36 = 876.41/x
3. Step 3: Cross multiply
   1,435.92x = 1,981.36 × 876.41
4. Step 4: Simplify right side
   1,435.92x = 1,736,483.72
5. Step 5: Solve for x
   x = 1,736,483.72/1,435.92
6. Step 6: Final answer
   x = 1,209.32