Finding the Fourth Proportional to 14,161.42, 19,542.37 and 7,788.03

Step by Step Solution

1. Step 1: Write the proportion equation
   14,161.42 : 19,542.37 = 7,788.03 : x
2. Step 2: Convert to fraction form
   14,161.42/19,542.37 = 7,788.03/x
3. Step 3: Cross multiply
   14,161.42x = 19,542.37 × 7,788.03
4. Step 4: Simplify right side
   14,161.42x = 152,196,563.83
5. Step 5: Solve for x
   x = 152,196,563.83/14,161.42
6. Step 6: Final answer
   x = 10,747.27