Finding the Fourth Proportional to 9,630.72, 13,288.68 and 5,853.12

Step by Step Solution

1. Step 1: Write the proportion equation
   9,630.72 : 13,288.68 = 5,853.12 : x
2. Step 2: Convert to fraction form
   9,630.72/13,288.68 = 5,853.12/x
3. Step 3: Cross multiply
   9,630.72x = 13,288.68 × 5,853.12
4. Step 4: Simplify right side
   9,630.72x = 77,780,238.68
5. Step 5: Solve for x
   x = 77,780,238.68/9,630.72
6. Step 6: Final answer
   x = 8,076.26