Finding the Fourth Proportional to 25,040.56, 34,554.61 and 13,707.79

Step by Step Solution

1. Step 1: Write the proportion equation
   25,040.56 : 34,554.61 = 13,707.79 : x
2. Step 2: Convert to fraction form
   25,040.56/34,554.61 = 13,707.79/x
3. Step 3: Cross multiply
   25,040.56x = 34,554.61 × 13,707.79
4. Step 4: Simplify right side
   25,040.56x = 473,667,337.41
5. Step 5: Solve for x
   x = 473,667,337.41/25,040.56
6. Step 6: Final answer
   x = 18,916.00