Finding the Fourth Proportional to 25,131.42, 34,681.37 and 13,953.42

Step by Step Solution

1. Step 1: Write the proportion equation
   25,131.42 : 34,681.37 = 13,953.42 : x
2. Step 2: Convert to fraction form
   25,131.42/34,681.37 = 13,953.42/x
3. Step 3: Cross multiply
   25,131.42x = 34,681.37 × 13,953.42
4. Step 4: Simplify right side
   25,131.42x = 483,923,652.02
5. Step 5: Solve for x
   x = 483,923,652.02/25,131.42
6. Step 6: Final answer
   x = 19,255.72