Finding the Fourth Proportional to 33,291.12, 45,947.76 and 19,863.12

Step by Step Solution

1. Step 1: Write the proportion equation
   33,291.12 : 45,947.76 = 19,863.12 : x
2. Step 2: Convert to fraction form
   33,291.12/45,947.76 = 19,863.12/x
3. Step 3: Cross multiply
   33,291.12x = 45,947.76 × 19,863.12
4. Step 4: Simplify right side
   33,291.12x = 912,665,870.61
5. Step 5: Solve for x
   x = 912,665,870.61/33,291.12
6. Step 6: Final answer
   x = 27,414.69