Finding the Fourth Proportional to 22,061.06, 33,131.48 and 13,757.20

Step by Step Solution

1. Step 1: Write the proportion equation
   22,061.06 : 33,131.48 = 13,757.20 : x
2. Step 2: Convert to fraction form
   22,061.06/33,131.48 = 13,757.20/x
3. Step 3: Cross multiply
   22,061.06x = 33,131.48 × 13,757.20
4. Step 4: Simplify right side
   22,061.06x = 455,796,396.66
5. Step 5: Solve for x
   x = 455,796,396.66/22,061.06
6. Step 6: Final answer
   x = 20,660.68