Finding the Fourth Proportional to 40,159.98, 55,446.78 and 25,826.28

Step by Step Solution

1. Step 1: Write the proportion equation
   40,159.98 : 55,446.78 = 25,826.28 : x
2. Step 2: Convert to fraction form
   40,159.98/55,446.78 = 25,826.28/x
3. Step 3: Cross multiply
   40,159.98x = 55,446.78 × 25,826.28
4. Step 4: Simplify right side
   40,159.98x = 1,431,984,065.38
5. Step 5: Solve for x
   x = 1,431,984,065.38/40,159.98
6. Step 6: Final answer
   x = 35,656.99