Finding the Fourth Proportional to 10,761.44, 16,136.72 and 4,922.16

Step by Step Solution

1. Step 1: Write the proportion equation
   10,761.44 : 16,136.72 = 4,922.16 : x
2. Step 2: Convert to fraction form
   10,761.44/16,136.72 = 4,922.16/x
3. Step 3: Cross multiply
   10,761.44x = 16,136.72 × 4,922.16
4. Step 4: Simplify right side
   10,761.44x = 79,427,517.72
5. Step 5: Solve for x
   x = 79,427,517.72/10,761.44
6. Step 6: Final answer
   x = 7,380.75