Finding the Fourth Proportional to 25,667.98, 35,420.25 and 14,911.18

Step by Step Solution

1. Step 1: Write the proportion equation
   25,667.98 : 35,420.25 = 14,911.18 : x
2. Step 2: Convert to fraction form
   25,667.98/35,420.25 = 14,911.18/x
3. Step 3: Cross multiply
   25,667.98x = 35,420.25 × 14,911.18
4. Step 4: Simplify right side
   25,667.98x = 528,157,723.40
5. Step 5: Solve for x
   x = 528,157,723.40/25,667.98
6. Step 6: Final answer
   x = 20,576.52