Finding the Fourth Proportional to 22,008.72, 30,371.76 and 11,937

Step by Step Solution

1. Step 1: Write the proportion equation
   22,008.72 : 30,371.76 = 11,937 : x
2. Step 2: Convert to fraction form
   22,008.72/30,371.76 = 11,937/x
3. Step 3: Cross multiply
   22,008.72x = 30,371.76 × 11,937
4. Step 4: Simplify right side
   22,008.72x = 362,547,699.12
5. Step 5: Solve for x
   x = 362,547,699.12/22,008.72
6. Step 6: Final answer
   x = 16,472.91