Finding the Fourth Proportional to 33,060.69, 45,601.11 and 21,118.73

Step by Step Solution

1. Step 1: Write the proportion equation
   33,060.69 : 45,601.11 = 21,118.73 : x
2. Step 2: Convert to fraction form
   33,060.69/45,601.11 = 21,118.73/x
3. Step 3: Cross multiply
   33,060.69x = 45,601.11 × 21,118.73
4. Step 4: Simplify right side
   33,060.69x = 963,037,301.78
5. Step 5: Solve for x
   x = 963,037,301.78/33,060.69
6. Step 6: Final answer
   x = 29,129.38