Finding the Fourth Proportional to 2,333.68, 3,499.61 and 872.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,333.68 : 3,499.61 = 872.03 : x
2. Step 2: Convert to fraction form
   2,333.68/3,499.61 = 872.03/x
3. Step 3: Cross multiply
   2,333.68x = 3,499.61 × 872.03
4. Step 4: Simplify right side
   2,333.68x = 3,051,769.30
5. Step 5: Solve for x
   x = 3,051,769.30/2,333.68
6. Step 6: Final answer
   x = 1,307.71