Finding the Fourth Proportional to 73,156.72, 109,735.10 and 20,566.22

Step by Step Solution

1. Step 1: Write the proportion equation
   73,156.72 : 109,735.10 = 20,566.22 : x
2. Step 2: Convert to fraction form
   73,156.72/109,735.10 = 20,566.22/x
3. Step 3: Cross multiply
   73,156.72x = 109,735.10 × 20,566.22
4. Step 4: Simplify right side
   73,156.72x = 2,256,836,208.32
5. Step 5: Solve for x
   x = 2,256,836,208.32/73,156.72
6. Step 6: Final answer
   x = 30,849.34