Finding the Fourth Proportional to 72,710.21, 109,066.69 and 22,789.20

Step by Step Solution

1. Step 1: Write the proportion equation
   72,710.21 : 109,066.69 = 22,789.20 : x
2. Step 2: Convert to fraction form
   72,710.21/109,066.69 = 22,789.20/x
3. Step 3: Cross multiply
   72,710.21x = 109,066.69 × 22,789.20
4. Step 4: Simplify right side
   72,710.21x = 2,485,542,554.78
5. Step 5: Solve for x
   x = 2,485,542,554.78/72,710.21
6. Step 6: Final answer
   x = 34,184.23