Finding the Fourth Proportional to 10,133.72, 13,983.30 and 5,657.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,133.72 : 13,983.30 = 5,657.72 : x
2. Step 2: Convert to fraction form
   10,133.72/13,983.30 = 5,657.72/x
3. Step 3: Cross multiply
   10,133.72x = 13,983.30 × 5,657.72
4. Step 4: Simplify right side
   10,133.72x = 79,113,596.08
5. Step 5: Solve for x
   x = 79,113,596.08/10,133.72
6. Step 6: Final answer
   x = 7,806.96