Finding the Fourth Proportional to 25,113.88, 34,656 and 13,783.12

Step by Step Solution

1. Step 1: Write the proportion equation
   25,113.88 : 34,656 = 13,783.12 : x
2. Step 2: Convert to fraction form
   25,113.88/34,656 = 13,783.12/x
3. Step 3: Cross multiply
   25,113.88x = 34,656 × 13,783.12
4. Step 4: Simplify right side
   25,113.88x = 477,667,806.72
5. Step 5: Solve for x
   x = 477,667,806.72/25,113.88
6. Step 6: Final answer
   x = 19,020.07