Finding the Fourth Proportional to 25,050.50, 34,570.77 and 13,872.50

Step by Step Solution

1. Step 1: Write the proportion equation
   25,050.50 : 34,570.77 = 13,872.50 : x
2. Step 2: Convert to fraction form
   25,050.50/34,570.77 = 13,872.50/x
3. Step 3: Cross multiply
   25,050.50x = 34,570.77 × 13,872.50
4. Step 4: Simplify right side
   25,050.50x = 479,583,006.83
5. Step 5: Solve for x
   x = 479,583,006.83/25,050.50
6. Step 6: Final answer
   x = 19,144.65