Finding the Fourth Proportional to 2,333.26, 3,499.20 and 872.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,333.26 : 3,499.20 = 872.07 : x
2. Step 2: Convert to fraction form
   2,333.26/3,499.20 = 872.07/x
3. Step 3: Cross multiply
   2,333.26x = 3,499.20 × 872.07
4. Step 4: Simplify right side
   2,333.26x = 3,051,534.22
5. Step 5: Solve for x
   x = 3,051,534.22/2,333.26
6. Step 6: Final answer
   x = 1,307.84