Finding the Fourth Proportional to 33,139.31, 45,749.19 and 25,568.63

Step by Step Solution

1. Step 1: Write the proportion equation
   33,139.31 : 45,749.19 = 25,568.63 : x
2. Step 2: Convert to fraction form
   33,139.31/45,749.19 = 25,568.63/x
3. Step 3: Cross multiply
   33,139.31x = 45,749.19 × 25,568.63
4. Step 4: Simplify right side
   33,139.31x = 1,169,744,111.91
5. Step 5: Solve for x
   x = 1,169,744,111.91/33,139.31
6. Step 6: Final answer
   x = 35,297.78