Finding the Fourth Proportional to 9,974.27, 14,956.63 and 5,815.48

Step by Step Solution

1. Step 1: Write the proportion equation
   9,974.27 : 14,956.63 = 5,815.48 : x
2. Step 2: Convert to fraction form
   9,974.27/14,956.63 = 5,815.48/x
3. Step 3: Cross multiply
   9,974.27x = 14,956.63 × 5,815.48
4. Step 4: Simplify right side
   9,974.27x = 86,979,982.63
5. Step 5: Solve for x
   x = 86,979,982.63/9,974.27
6. Step 6: Final answer
   x = 8,720.44