Finding the Fourth Proportional to 13,782.22, 19,019.37 and 7,494.60

Step by Step Solution

1. Step 1: Write the proportion equation
   13,782.22 : 19,019.37 = 7,494.60 : x
2. Step 2: Convert to fraction form
   13,782.22/19,019.37 = 7,494.60/x
3. Step 3: Cross multiply
   13,782.22x = 19,019.37 × 7,494.60
4. Step 4: Simplify right side
   13,782.22x = 142,542,570.40
5. Step 5: Solve for x
   x = 142,542,570.40/13,782.22
6. Step 6: Final answer
   x = 10,342.50