Finding the Fourth Proportional to 25,155.82, 34,715.35 and 13,826.55

Step by Step Solution

1. Step 1: Write the proportion equation
   25,155.82 : 34,715.35 = 13,826.55 : x
2. Step 2: Convert to fraction form
   25,155.82/34,715.35 = 13,826.55/x
3. Step 3: Cross multiply
   25,155.82x = 34,715.35 × 13,826.55
4. Step 4: Simplify right side
   25,155.82x = 479,993,522.54
5. Step 5: Solve for x
   x = 479,993,522.54/25,155.82
6. Step 6: Final answer
   x = 19,080.81