Finding the Fourth Proportional to 33,104.74, 45,679.25 and 21,778.81

Step by Step Solution

1. Step 1: Write the proportion equation
   33,104.74 : 45,679.25 = 21,778.81 : x
2. Step 2: Convert to fraction form
   33,104.74/45,679.25 = 21,778.81/x
3. Step 3: Cross multiply
   33,104.74x = 45,679.25 × 21,778.81
4. Step 4: Simplify right side
   33,104.74x = 994,839,706.69
5. Step 5: Solve for x
   x = 994,839,706.69/33,104.74
6. Step 6: Final answer
   x = 30,051.28