Finding the Fourth Proportional to 22,338.17, 30,837.17 and 12,904.91

Step by Step Solution

1. Step 1: Write the proportion equation
   22,338.17 : 30,837.17 = 12,904.91 : x
2. Step 2: Convert to fraction form
   22,338.17/30,837.17 = 12,904.91/x
3. Step 3: Cross multiply
   22,338.17x = 30,837.17 × 12,904.91
4. Step 4: Simplify right side
   22,338.17x = 397,950,903.50
5. Step 5: Solve for x
   x = 397,950,903.50/22,338.17
6. Step 6: Final answer
   x = 17,814.84