Finding the Fourth Proportional to 49,136.50, 67,808.31 and 26,780.50

Step by Step Solution

1. Step 1: Write the proportion equation
   49,136.50 : 67,808.31 = 26,780.50 : x
2. Step 2: Convert to fraction form
   49,136.50/67,808.31 = 26,780.50/x
3. Step 3: Cross multiply
   49,136.50x = 67,808.31 × 26,780.50
4. Step 4: Simplify right side
   49,136.50x = 1,815,940,445.96
5. Step 5: Solve for x
   x = 1,815,940,445.96/49,136.50
6. Step 6: Final answer
   x = 36,957.06