Finding the Fourth Proportional to 22,099.73, 30,498.62 and 13,602.24

Step by Step Solution

1. Step 1: Write the proportion equation
   22,099.73 : 30,498.62 = 13,602.24 : x
2. Step 2: Convert to fraction form
   22,099.73/30,498.62 = 13,602.24/x
3. Step 3: Cross multiply
   22,099.73x = 30,498.62 × 13,602.24
4. Step 4: Simplify right side
   22,099.73x = 414,849,480.90
5. Step 5: Solve for x
   x = 414,849,480.90/22,099.73
6. Step 6: Final answer
   x = 18,771.70