Finding the Fourth Proportional to 13,793.83, 19,028.45 and 9,016.55

Step by Step Solution

1. Step 1: Write the proportion equation
   13,793.83 : 19,028.45 = 9,016.55 : x
2. Step 2: Convert to fraction form
   13,793.83/19,028.45 = 9,016.55/x
3. Step 3: Cross multiply
   13,793.83x = 19,028.45 × 9,016.55
4. Step 4: Simplify right side
   13,793.83x = 171,570,969.60
5. Step 5: Solve for x
   x = 171,570,969.60/13,793.83
6. Step 6: Final answer
   x = 12,438.24