Finding the Fourth Proportional to 2,875.86, 3,966.24 and 2,429.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,875.86 : 3,966.24 = 2,429.91 : x
2. Step 2: Convert to fraction form
   2,875.86/3,966.24 = 2,429.91/x
3. Step 3: Cross multiply
   2,875.86x = 3,966.24 × 2,429.91
4. Step 4: Simplify right side
   2,875.86x = 9,637,606.24
5. Step 5: Solve for x
   x = 9,637,606.24/2,875.86
6. Step 6: Final answer
   x = 3,351.21