Finding the Fourth Proportional to 33,089.72, 45,643.25 and 19,651.28

Step by Step Solution

1. Step 1: Write the proportion equation
   33,089.72 : 45,643.25 = 19,651.28 : x
2. Step 2: Convert to fraction form
   33,089.72/45,643.25 = 19,651.28/x
3. Step 3: Cross multiply
   33,089.72x = 45,643.25 × 19,651.28
4. Step 4: Simplify right side
   33,089.72x = 896,948,187.60
5. Step 5: Solve for x
   x = 896,948,187.60/33,089.72
6. Step 6: Final answer
   x = 27,106.55