Finding the Fourth Proportional to 72,113.87, 108,181.06 and 22,198.10

Step by Step Solution

1. Step 1: Write the proportion equation
   72,113.87 : 108,181.06 = 22,198.10 : x
2. Step 2: Convert to fraction form
   72,113.87/108,181.06 = 22,198.10/x
3. Step 3: Cross multiply
   72,113.87x = 108,181.06 × 22,198.10
4. Step 4: Simplify right side
   72,113.87x = 2,401,413,391.59
5. Step 5: Solve for x
   x = 2,401,413,391.59/72,113.87
6. Step 6: Final answer
   x = 33,300.30