Finding the Fourth Proportional to 17,376.21, 23,978.88 and 9,822.42

Step by Step Solution

1. Step 1: Write the proportion equation
   17,376.21 : 23,978.88 = 9,822.42 : x
2. Step 2: Convert to fraction form
   17,376.21/23,978.88 = 9,822.42/x
3. Step 3: Cross multiply
   17,376.21x = 23,978.88 × 9,822.42
4. Step 4: Simplify right side
   17,376.21x = 235,530,630.49
5. Step 5: Solve for x
   x = 235,530,630.49/17,376.21
6. Step 6: Final answer
   x = 13,554.78