Finding the Fourth Proportional to 42,136.38, 58,159.37 and 26,211.78

Step by Step Solution

1. Step 1: Write the proportion equation
   42,136.38 : 58,159.37 = 26,211.78 : x
2. Step 2: Convert to fraction form
   42,136.38/58,159.37 = 26,211.78/x
3. Step 3: Cross multiply
   42,136.38x = 58,159.37 × 26,211.78
4. Step 4: Simplify right side
   42,136.38x = 1,524,460,611.38
5. Step 5: Solve for x
   x = 1,524,460,611.38/42,136.38
6. Step 6: Final answer
   x = 36,179.20