Finding the Fourth Proportional to 14,116.32, 21,175.52 and 3,728

Step by Step Solution

1. Step 1: Write the proportion equation
   14,116.32 : 21,175.52 = 3,728 : x
2. Step 2: Convert to fraction form
   14,116.32/21,175.52 = 3,728/x
3. Step 3: Cross multiply
   14,116.32x = 21,175.52 × 3,728
4. Step 4: Simplify right side
   14,116.32x = 78,942,338.56
5. Step 5: Solve for x
   x = 78,942,338.56/14,116.32
6. Step 6: Final answer
   x = 5,592.27