Finding the Fourth Proportional to 14,045.72, 19,384.32 and 7,759.31

Step by Step Solution

1. Step 1: Write the proportion equation
   14,045.72 : 19,384.32 = 7,759.31 : x
2. Step 2: Convert to fraction form
   14,045.72/19,384.32 = 7,759.31/x
3. Step 3: Cross multiply
   14,045.72x = 19,384.32 × 7,759.31
4. Step 4: Simplify right side
   14,045.72x = 150,408,851.10
5. Step 5: Solve for x
   x = 150,408,851.10/14,045.72
6. Step 6: Final answer
   x = 10,708.52