Finding the Fourth Proportional to 17,878.67, 24,672.56 and 9,922.17

Step by Step Solution

1. Step 1: Write the proportion equation
   17,878.67 : 24,672.56 = 9,922.17 : x
2. Step 2: Convert to fraction form
   17,878.67/24,672.56 = 9,922.17/x
3. Step 3: Cross multiply
   17,878.67x = 24,672.56 × 9,922.17
4. Step 4: Simplify right side
   17,878.67x = 244,805,334.66
5. Step 5: Solve for x
   x = 244,805,334.66/17,878.67
6. Step 6: Final answer
   x = 13,692.59