Finding the Fourth Proportional to 37,983.65, 52,406.77 and 21,850.12

Step by Step Solution

1. Step 1: Write the proportion equation
   37,983.65 : 52,406.77 = 21,850.12 : x
2. Step 2: Convert to fraction form
   37,983.65/52,406.77 = 21,850.12/x
3. Step 3: Cross multiply
   37,983.65x = 52,406.77 × 21,850.12
4. Step 4: Simplify right side
   37,983.65x = 1,145,093,842.03
5. Step 5: Solve for x
   x = 1,145,093,842.03/37,983.65
6. Step 6: Final answer
   x = 30,147.02