Finding the Fourth Proportional to 22,442.34, 30,970.35 and 13,016.28

Step by Step Solution

1. Step 1: Write the proportion equation
   22,442.34 : 30,970.35 = 13,016.28 : x
2. Step 2: Convert to fraction form
   22,442.34/30,970.35 = 13,016.28/x
3. Step 3: Cross multiply
   22,442.34x = 30,970.35 × 13,016.28
4. Step 4: Simplify right side
   22,442.34x = 403,118,747.30
5. Step 5: Solve for x
   x = 403,118,747.30/22,442.34
6. Step 6: Final answer
   x = 17,962.42