Finding the Fourth Proportional to 10,154.67, 15,227.96 and 3,911.19

Step by Step Solution

1. Step 1: Write the proportion equation
   10,154.67 : 15,227.96 = 3,911.19 : x
2. Step 2: Convert to fraction form
   10,154.67/15,227.96 = 3,911.19/x
3. Step 3: Cross multiply
   10,154.67x = 15,227.96 × 3,911.19
4. Step 4: Simplify right side
   10,154.67x = 59,559,425.32
5. Step 5: Solve for x
   x = 59,559,425.32/10,154.67
6. Step 6: Final answer
   x = 5,865.23