Finding the Fourth Proportional to 22,701.30, 33,987.15 and 20,109.30

Step by Step Solution

1. Step 1: Write the proportion equation
   22,701.30 : 33,987.15 = 20,109.30 : x
2. Step 2: Convert to fraction form
   22,701.30/33,987.15 = 20,109.30/x
3. Step 3: Cross multiply
   22,701.30x = 33,987.15 × 20,109.30
4. Step 4: Simplify right side
   22,701.30x = 683,457,795.50
5. Step 5: Solve for x
   x = 683,457,795.50/22,701.30
6. Step 6: Final answer
   x = 30,106.55