Finding the Fourth Proportional to 22,908.82, 31,614.15 and 12,837.34

Step by Step Solution

1. Step 1: Write the proportion equation
   22,908.82 : 31,614.15 = 12,837.34 : x
2. Step 2: Convert to fraction form
   22,908.82/31,614.15 = 12,837.34/x
3. Step 3: Cross multiply
   22,908.82x = 31,614.15 × 12,837.34
4. Step 4: Simplify right side
   22,908.82x = 405,841,592.36
5. Step 5: Solve for x
   x = 405,841,592.36/22,908.82
6. Step 6: Final answer
   x = 17,715.52