Finding the Fourth Proportional to 13,124.99, 19,665.57 and 9,222.41

Step by Step Solution

1. Step 1: Write the proportion equation
   13,124.99 : 19,665.57 = 9,222.41 : x
2. Step 2: Convert to fraction form
   13,124.99/19,665.57 = 9,222.41/x
3. Step 3: Cross multiply
   13,124.99x = 19,665.57 × 9,222.41
4. Step 4: Simplify right side
   13,124.99x = 181,364,033.17
5. Step 5: Solve for x
   x = 181,364,033.17/13,124.99
6. Step 6: Final answer
   x = 13,818.22