Finding the Fourth Proportional to 16,265.54, 22,452.72 and 13,988

Step by Step Solution

1. Step 1: Write the proportion equation
   16,265.54 : 22,452.72 = 13,988 : x
2. Step 2: Convert to fraction form
   16,265.54/22,452.72 = 13,988/x
3. Step 3: Cross multiply
   16,265.54x = 22,452.72 × 13,988
4. Step 4: Simplify right side
   16,265.54x = 314,068,647.36
5. Step 5: Solve for x
   x = 314,068,647.36/16,265.54
6. Step 6: Final answer
   x = 19,308.84