Finding the Fourth Proportional to 10,160.49, 15,241.33 and 3,920.54

Step by Step Solution

1. Step 1: Write the proportion equation
   10,160.49 : 15,241.33 = 3,920.54 : x
2. Step 2: Convert to fraction form
   10,160.49/15,241.33 = 3,920.54/x
3. Step 3: Cross multiply
   10,160.49x = 15,241.33 × 3,920.54
4. Step 4: Simplify right side
   10,160.49x = 59,754,167.71
5. Step 5: Solve for x
   x = 59,754,167.71/10,160.49
6. Step 6: Final answer
   x = 5,881.03