Finding the Fourth Proportional to 2,333.67, 3,501.20 and 872.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,333.67 : 3,501.20 = 872.49 : x
2. Step 2: Convert to fraction form
   2,333.67/3,501.20 = 872.49/x
3. Step 3: Cross multiply
   2,333.67x = 3,501.20 × 872.49
4. Step 4: Simplify right side
   2,333.67x = 3,054,757.63
5. Step 5: Solve for x
   x = 3,054,757.63/2,333.67
6. Step 6: Final answer
   x = 1,308.99