Finding the Fourth Proportional to 9,218.27, 13,889.59 and 7,610.83

Step by Step Solution

1. Step 1: Write the proportion equation
   9,218.27 : 13,889.59 = 7,610.83 : x
2. Step 2: Convert to fraction form
   9,218.27/13,889.59 = 7,610.83/x
3. Step 3: Cross multiply
   9,218.27x = 13,889.59 × 7,610.83
4. Step 4: Simplify right side
   9,218.27x = 105,711,297.32
5. Step 5: Solve for x
   x = 105,711,297.32/9,218.27
6. Step 6: Final answer
   x = 11,467.58