Finding the Fourth Proportional to 10,781.63, 16,172.52 and 3,761.62

Step by Step Solution

1. Step 1: Write the proportion equation
   10,781.63 : 16,172.52 = 3,761.62 : x
2. Step 2: Convert to fraction form
   10,781.63/16,172.52 = 3,761.62/x
3. Step 3: Cross multiply
   10,781.63x = 16,172.52 × 3,761.62
4. Step 4: Simplify right side
   10,781.63x = 60,834,775.01
5. Step 5: Solve for x
   x = 60,834,775.01/10,781.63
6. Step 6: Final answer
   x = 5,642.45