Finding the Fourth Proportional to 72,136.59, 108,205.43 and 22,217.10

Step by Step Solution

1. Step 1: Write the proportion equation
   72,136.59 : 108,205.43 = 22,217.10 : x
2. Step 2: Convert to fraction form
   72,136.59/108,205.43 = 22,217.10/x
3. Step 3: Cross multiply
   72,136.59x = 108,205.43 × 22,217.10
4. Step 4: Simplify right side
   72,136.59x = 2,404,010,747.77
5. Step 5: Solve for x
   x = 2,404,010,747.77/72,136.59
6. Step 6: Final answer
   x = 33,325.82