Finding the Fourth Proportional to 2,333.31, 3,499.56 and 872.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,333.31 : 3,499.56 = 872.48 : x
2. Step 2: Convert to fraction form
   2,333.31/3,499.56 = 872.48/x
3. Step 3: Cross multiply
   2,333.31x = 3,499.56 × 872.48
4. Step 4: Simplify right side
   2,333.31x = 3,053,278.61
5. Step 5: Solve for x
   x = 3,053,278.61/2,333.31
6. Step 6: Final answer
   x = 1,308.56