Finding the Fourth Proportional to 22,461.73, 30,994.71 and 13,028.47

Step by Step Solution

1. Step 1: Write the proportion equation
   22,461.73 : 30,994.71 = 13,028.47 : x
2. Step 2: Convert to fraction form
   22,461.73/30,994.71 = 13,028.47/x
3. Step 3: Cross multiply
   22,461.73x = 30,994.71 × 13,028.47
4. Step 4: Simplify right side
   22,461.73x = 403,813,649.39
5. Step 5: Solve for x
   x = 403,813,649.39/22,461.73
6. Step 6: Final answer
   x = 17,977.85