Finding the Fourth Proportional to 9,605.72, 14,396.06 and 4,921.76

Step by Step Solution

1. Step 1: Write the proportion equation
   9,605.72 : 14,396.06 = 4,921.76 : x
2. Step 2: Convert to fraction form
   9,605.72/14,396.06 = 4,921.76/x
3. Step 3: Cross multiply
   9,605.72x = 14,396.06 × 4,921.76
4. Step 4: Simplify right side
   9,605.72x = 70,853,952.27
5. Step 5: Solve for x
   x = 70,853,952.27/9,605.72
6. Step 6: Final answer
   x = 7,376.23