Finding the Fourth Proportional to 7,737, 10,679.72 and 5,217.50

Step by Step Solution

1. Step 1: Write the proportion equation
   7,737 : 10,679.72 = 5,217.50 : x
2. Step 2: Convert to fraction form
   7,737/10,679.72 = 5,217.50/x
3. Step 3: Cross multiply
   7,737x = 10,679.72 × 5,217.50
4. Step 4: Simplify right side
   7,737x = 55,721,359.61
5. Step 5: Solve for x
   x = 55,721,359.61/7,737
6. Step 6: Final answer
   x = 7,201.93