Finding the Fourth Proportional to 22,466.97, 31,003.56 and 12,900.33

Step by Step Solution

1. Step 1: Write the proportion equation
   22,466.97 : 31,003.56 = 12,900.33 : x
2. Step 2: Convert to fraction form
   22,466.97/31,003.56 = 12,900.33/x
3. Step 3: Cross multiply
   22,466.97x = 31,003.56 × 12,900.33
4. Step 4: Simplify right side
   22,466.97x = 399,956,155.17
5. Step 5: Solve for x
   x = 399,956,155.17/22,466.97
6. Step 6: Final answer
   x = 17,801.96