Finding the Fourth Proportional to 33,061.91, 45,600.78 and 21,579.35

Step by Step Solution

1. Step 1: Write the proportion equation
   33,061.91 : 45,600.78 = 21,579.35 : x
2. Step 2: Convert to fraction form
   33,061.91/45,600.78 = 21,579.35/x
3. Step 3: Cross multiply
   33,061.91x = 45,600.78 × 21,579.35
4. Step 4: Simplify right side
   33,061.91x = 984,035,191.89
5. Step 5: Solve for x
   x = 984,035,191.89/33,061.91
6. Step 6: Final answer
   x = 29,763.41