Finding the Fourth Proportional to 2,333.40, 3,499.98 and 872.44

Step by Step Solution

1. Step 1: Write the proportion equation
   2,333.40 : 3,499.98 = 872.44 : x
2. Step 2: Convert to fraction form
   2,333.40/3,499.98 = 872.44/x
3. Step 3: Cross multiply
   2,333.40x = 3,499.98 × 872.44
4. Step 4: Simplify right side
   2,333.40x = 3,053,522.55
5. Step 5: Solve for x
   x = 3,053,522.55/2,333.40
6. Step 6: Final answer
   x = 1,308.62