Finding the Fourth Proportional to 9,927.72, 13,707 and 7,581.96

Step by Step Solution

1. Step 1: Write the proportion equation
   9,927.72 : 13,707 = 7,581.96 : x
2. Step 2: Convert to fraction form
   9,927.72/13,707 = 7,581.96/x
3. Step 3: Cross multiply
   9,927.72x = 13,707 × 7,581.96
4. Step 4: Simplify right side
   9,927.72x = 103,925,925.72
5. Step 5: Solve for x
   x = 103,925,925.72/9,927.72
6. Step 6: Final answer
   x = 10,468.26