Finding the Fourth Proportional to 22,109.02, 30,529.42 and 21,394.09

Step by Step Solution

1. Step 1: Write the proportion equation
   22,109.02 : 30,529.42 = 21,394.09 : x
2. Step 2: Convert to fraction form
   22,109.02/30,529.42 = 21,394.09/x
3. Step 3: Cross multiply
   22,109.02x = 30,529.42 × 21,394.09
4. Step 4: Simplify right side
   22,109.02x = 653,149,136.59
5. Step 5: Solve for x
   x = 653,149,136.59/22,109.02
6. Step 6: Final answer
   x = 29,542.20