Finding the Fourth Proportional to 2,436.67, 3,652.81 and 876.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,436.67 : 3,652.81 = 876.30 : x
2. Step 2: Convert to fraction form
   2,436.67/3,652.81 = 876.30/x
3. Step 3: Cross multiply
   2,436.67x = 3,652.81 × 876.30
4. Step 4: Simplify right side
   2,436.67x = 3,200,955.21
5. Step 5: Solve for x
   x = 3,200,955.21/2,436.67
6. Step 6: Final answer
   x = 1,313.66