Finding the Fourth Proportional to 52,890.05, 72,993 and 29,021.37

Step by Step Solution

1. Step 1: Write the proportion equation
   52,890.05 : 72,993 = 29,021.37 : x
2. Step 2: Convert to fraction form
   52,890.05/72,993 = 29,021.37/x
3. Step 3: Cross multiply
   52,890.05x = 72,993 × 29,021.37
4. Step 4: Simplify right side
   52,890.05x = 2,118,356,860.41
5. Step 5: Solve for x
   x = 2,118,356,860.41/52,890.05
6. Step 6: Final answer
   x = 40,052.09