Finding the Fourth Proportional to 10,782.21, 16,172.22 and 3,761.55

Step by Step Solution

1. Step 1: Write the proportion equation
   10,782.21 : 16,172.22 = 3,761.55 : x
2. Step 2: Convert to fraction form
   10,782.21/16,172.22 = 3,761.55/x
3. Step 3: Cross multiply
   10,782.21x = 16,172.22 × 3,761.55
4. Step 4: Simplify right side
   10,782.21x = 60,832,614.14
5. Step 5: Solve for x
   x = 60,832,614.14/10,782.21
6. Step 6: Final answer
   x = 5,641.94