Finding the Fourth Proportional to 33,109.18, 45,659.34 and 21,151.76

Step by Step Solution

1. Step 1: Write the proportion equation
   33,109.18 : 45,659.34 = 21,151.76 : x
2. Step 2: Convert to fraction form
   33,109.18/45,659.34 = 21,151.76/x
3. Step 3: Cross multiply
   33,109.18x = 45,659.34 × 21,151.76
4. Step 4: Simplify right side
   33,109.18x = 965,775,401.44
5. Step 5: Solve for x
   x = 965,775,401.44/33,109.18
6. Step 6: Final answer
   x = 29,169.41