Finding the Fourth Proportional to 33,046.72, 45,602.88 and 18,901.12

Step by Step Solution

1. Step 1: Write the proportion equation
   33,046.72 : 45,602.88 = 18,901.12 : x
2. Step 2: Convert to fraction form
   33,046.72/45,602.88 = 18,901.12/x
3. Step 3: Cross multiply
   33,046.72x = 45,602.88 × 18,901.12
4. Step 4: Simplify right side
   33,046.72x = 861,945,507.23
5. Step 5: Solve for x
   x = 861,945,507.23/33,046.72
6. Step 6: Final answer
   x = 26,082.63