Finding the Fourth Proportional to 14,003.72, 19,325.94 and 7,716.20

Step by Step Solution

1. Step 1: Write the proportion equation
   14,003.72 : 19,325.94 = 7,716.20 : x
2. Step 2: Convert to fraction form
   14,003.72/19,325.94 = 7,716.20/x
3. Step 3: Cross multiply
   14,003.72x = 19,325.94 × 7,716.20
4. Step 4: Simplify right side
   14,003.72x = 149,122,818.23
5. Step 5: Solve for x
   x = 149,122,818.23/14,003.72
6. Step 6: Final answer
   x = 10,648.80