Finding the Fourth Proportional to 17,288.32, 25,931.72 and 4,638.08

Step by Step Solution

1. Step 1: Write the proportion equation
   17,288.32 : 25,931.72 = 4,638.08 : x
2. Step 2: Convert to fraction form
   17,288.32/25,931.72 = 4,638.08/x
3. Step 3: Cross multiply
   17,288.32x = 25,931.72 × 4,638.08
4. Step 4: Simplify right side
   17,288.32x = 120,273,433.54
5. Step 5: Solve for x
   x = 120,273,433.54/17,288.32
6. Step 6: Final answer
   x = 6,956.92