Finding the Fourth Proportional to 14,147.82, 19,525.15 and 9,122.50

Step by Step Solution

1. Step 1: Write the proportion equation
   14,147.82 : 19,525.15 = 9,122.50 : x
2. Step 2: Convert to fraction form
   14,147.82/19,525.15 = 9,122.50/x
3. Step 3: Cross multiply
   14,147.82x = 19,525.15 × 9,122.50
4. Step 4: Simplify right side
   14,147.82x = 178,118,084.85
5. Step 5: Solve for x
   x = 178,118,084.85/14,147.82
6. Step 6: Final answer
   x = 12,589.79