Finding the Fourth Proportional to 10,781.67, 16,154.54 and 3,757.81

Step by Step Solution

1. Step 1: Write the proportion equation
   10,781.67 : 16,154.54 = 3,757.81 : x
2. Step 2: Convert to fraction form
   10,781.67/16,154.54 = 3,757.81/x
3. Step 3: Cross multiply
   10,781.67x = 16,154.54 × 3,757.81
4. Step 4: Simplify right side
   10,781.67x = 60,705,673.17
5. Step 5: Solve for x
   x = 60,705,673.17/10,781.67
6. Step 6: Final answer
   x = 5,630.45