Finding the Fourth Proportional to 37,908.92, 52,313.72 and 21,996.12

Step by Step Solution

1. Step 1: Write the proportion equation
   37,908.92 : 52,313.72 = 21,996.12 : x
2. Step 2: Convert to fraction form
   37,908.92/52,313.72 = 21,996.12/x
3. Step 3: Cross multiply
   37,908.92x = 52,313.72 × 21,996.12
4. Step 4: Simplify right side
   37,908.92x = 1,150,698,862.77
5. Step 5: Solve for x
   x = 1,150,698,862.77/37,908.92
6. Step 6: Final answer
   x = 30,354.30