Finding the Fourth Proportional to 2,882.24, 4,321.82 and 907.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,882.24 : 4,321.82 = 907.50 : x
2. Step 2: Convert to fraction form
   2,882.24/4,321.82 = 907.50/x
3. Step 3: Cross multiply
   2,882.24x = 4,321.82 × 907.50
4. Step 4: Simplify right side
   2,882.24x = 3,922,051.65
5. Step 5: Solve for x
   x = 3,922,051.65/2,882.24
6. Step 6: Final answer
   x = 1,360.77