Finding the Fourth Proportional to 17,928.52, 24,740.56 and 9,971.48

Step by Step Solution

1. Step 1: Write the proportion equation
   17,928.52 : 24,740.56 = 9,971.48 : x
2. Step 2: Convert to fraction form
   17,928.52/24,740.56 = 9,971.48/x
3. Step 3: Cross multiply
   17,928.52x = 24,740.56 × 9,971.48
4. Step 4: Simplify right side
   17,928.52x = 246,699,999.23
5. Step 5: Solve for x
   x = 246,699,999.23/17,928.52
6. Step 6: Final answer
   x = 13,760.20