Finding the Fourth Proportional to 33,043.59, 45,589.05 and 21,113.91

Step by Step Solution

1. Step 1: Write the proportion equation
   33,043.59 : 45,589.05 = 21,113.91 : x
2. Step 2: Convert to fraction form
   33,043.59/45,589.05 = 21,113.91/x
3. Step 3: Cross multiply
   33,043.59x = 45,589.05 × 21,113.91
4. Step 4: Simplify right side
   33,043.59x = 962,563,098.69
5. Step 5: Solve for x
   x = 962,563,098.69/33,043.59
6. Step 6: Final answer
   x = 29,130.10