Finding the Fourth Proportional to 36,799.59, 50,790.06 and 21,691.37

Step by Step Solution

1. Step 1: Write the proportion equation
   36,799.59 : 50,790.06 = 21,691.37 : x
2. Step 2: Convert to fraction form
   36,799.59/50,790.06 = 21,691.37/x
3. Step 3: Cross multiply
   36,799.59x = 50,790.06 × 21,691.37
4. Step 4: Simplify right side
   36,799.59x = 1,101,706,028.92
5. Step 5: Solve for x
   x = 1,101,706,028.92/36,799.59
6. Step 6: Final answer
   x = 29,938.00