Finding the Fourth Proportional to 9,710.72, 14,500.26 and 7,713.94

Step by Step Solution

1. Step 1: Write the proportion equation
   9,710.72 : 14,500.26 = 7,713.94 : x
2. Step 2: Convert to fraction form
   9,710.72/14,500.26 = 7,713.94/x
3. Step 3: Cross multiply
   9,710.72x = 14,500.26 × 7,713.94
4. Step 4: Simplify right side
   9,710.72x = 111,854,135.62
5. Step 5: Solve for x
   x = 111,854,135.62/9,710.72
6. Step 6: Final answer
   x = 11,518.62