Finding the Fourth Proportional to 1,435.96, 1,982.10 and 876.79

Step by Step Solution

1. Step 1: Write the proportion equation
   1,435.96 : 1,982.10 = 876.79 : x
2. Step 2: Convert to fraction form
   1,435.96/1,982.10 = 876.79/x
3. Step 3: Cross multiply
   1,435.96x = 1,982.10 × 876.79
4. Step 4: Simplify right side
   1,435.96x = 1,737,885.46
5. Step 5: Solve for x
   x = 1,737,885.46/1,435.96
6. Step 6: Final answer
   x = 1,210.26