Finding the Fourth Proportional to 17,928.72, 24,741.45 and 9,971.37

Step by Step Solution

1. Step 1: Write the proportion equation
   17,928.72 : 24,741.45 = 9,971.37 : x
2. Step 2: Convert to fraction form
   17,928.72/24,741.45 = 9,971.37/x
3. Step 3: Cross multiply
   17,928.72x = 24,741.45 × 9,971.37
4. Step 4: Simplify right side
   17,928.72x = 246,706,152.29
5. Step 5: Solve for x
   x = 246,706,152.29/17,928.72
6. Step 6: Final answer
   x = 13,760.39