Finding the Fourth Proportional to 36,936.98, 50,978.90 and 21,026.56

Step by Step Solution

1. Step 1: Write the proportion equation
   36,936.98 : 50,978.90 = 21,026.56 : x
2. Step 2: Convert to fraction form
   36,936.98/50,978.90 = 21,026.56/x
3. Step 3: Cross multiply
   36,936.98x = 50,978.90 × 21,026.56
4. Step 4: Simplify right side
   36,936.98x = 1,071,910,899.58
5. Step 5: Solve for x
   x = 1,071,910,899.58/36,936.98
6. Step 6: Final answer
   x = 29,019.99