Finding the Fourth Proportional to 22,496.05, 31,040.49 and 12,933.70

Step by Step Solution

1. Step 1: Write the proportion equation
   22,496.05 : 31,040.49 = 12,933.70 : x
2. Step 2: Convert to fraction form
   22,496.05/31,040.49 = 12,933.70/x
3. Step 3: Cross multiply
   22,496.05x = 31,040.49 × 12,933.70
4. Step 4: Simplify right side
   22,496.05x = 401,468,385.51
5. Step 5: Solve for x
   x = 401,468,385.51/22,496.05
6. Step 6: Final answer
   x = 17,846.17