Finding the Fourth Proportional to 14,132.72, 19,503.10 and 7,759.15

Step by Step Solution

1. Step 1: Write the proportion equation
   14,132.72 : 19,503.10 = 7,759.15 : x
2. Step 2: Convert to fraction form
   14,132.72/19,503.10 = 7,759.15/x
3. Step 3: Cross multiply
   14,132.72x = 19,503.10 × 7,759.15
4. Step 4: Simplify right side
   14,132.72x = 151,327,478.37
5. Step 5: Solve for x
   x = 151,327,478.37/14,132.72
6. Step 6: Final answer
   x = 10,707.60