Finding the Fourth Proportional to 2,864.18, 3,950.73 and 2,421.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,864.18 : 3,950.73 = 2,421.52 : x
2. Step 2: Convert to fraction form
   2,864.18/3,950.73 = 2,421.52/x
3. Step 3: Cross multiply
   2,864.18x = 3,950.73 × 2,421.52
4. Step 4: Simplify right side
   2,864.18x = 9,566,761.83
5. Step 5: Solve for x
   x = 9,566,761.83/2,864.18
6. Step 6: Final answer
   x = 3,340.14