Finding the Fourth Proportional to 3,846.79, 5,306.91 and 2,429.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,846.79 : 5,306.91 = 2,429.50 : x
2. Step 2: Convert to fraction form
   3,846.79/5,306.91 = 2,429.50/x
3. Step 3: Cross multiply
   3,846.79x = 5,306.91 × 2,429.50
4. Step 4: Simplify right side
   3,846.79x = 12,893,111.31
5. Step 5: Solve for x
   x = 12,893,111.31/3,846.79
6. Step 6: Final answer
   x = 3,351.65