Finding the Fourth Proportional to 49,871.16, 68,298.12 and 49,215.06

Step by Step Solution

1. Step 1: Write the proportion equation
   49,871.16 : 68,298.12 = 49,215.06 : x
2. Step 2: Convert to fraction form
   49,871.16/68,298.12 = 49,215.06/x
3. Step 3: Cross multiply
   49,871.16x = 68,298.12 × 49,215.06
4. Step 4: Simplify right side
   49,871.16x = 3,361,296,073.69
5. Step 5: Solve for x
   x = 3,361,296,073.69/49,871.16
6. Step 6: Final answer
   x = 67,399.60