Finding the Fourth Proportional to 37,716.33, 52,057.89 and 21,810

Step by Step Solution

1. Step 1: Write the proportion equation
   37,716.33 : 52,057.89 = 21,810 : x
2. Step 2: Convert to fraction form
   37,716.33/52,057.89 = 21,810/x
3. Step 3: Cross multiply
   37,716.33x = 52,057.89 × 21,810
4. Step 4: Simplify right side
   37,716.33x = 1,135,382,580.90
5. Step 5: Solve for x
   x = 1,135,382,580.90/37,716.33
6. Step 6: Final answer
   x = 30,103.21