Finding the Fourth Proportional to 9,822.50, 14,727.86 and 6,663.82

Step by Step Solution

1. Step 1: Write the proportion equation
   9,822.50 : 14,727.86 = 6,663.82 : x
2. Step 2: Convert to fraction form
   9,822.50/14,727.86 = 6,663.82/x
3. Step 3: Cross multiply
   9,822.50x = 14,727.86 × 6,663.82
4. Step 4: Simplify right side
   9,822.50x = 98,143,808.03
5. Step 5: Solve for x
   x = 98,143,808.03/9,822.50
6. Step 6: Final answer
   x = 9,991.73