Finding the Fourth Proportional to 108,693.42, 162,957.97 and 71,262.91

Step by Step Solution

1. Step 1: Write the proportion equation
   108,693.42 : 162,957.97 = 71,262.91 : x
2. Step 2: Convert to fraction form
   108,693.42/162,957.97 = 71,262.91/x
3. Step 3: Cross multiply
   108,693.42x = 162,957.97 × 71,262.91
4. Step 4: Simplify right side
   108,693.42x = 11,612,859,149.89
5. Step 5: Solve for x
   x = 11,612,859,149.89/108,693.42
6. Step 6: Final answer
   x = 106,840.50