Finding the Fourth Proportional to 10,401.46, 15,581.54 and 4,847.15

Step by Step Solution

1. Step 1: Write the proportion equation
   10,401.46 : 15,581.54 = 4,847.15 : x
2. Step 2: Convert to fraction form
   10,401.46/15,581.54 = 4,847.15/x
3. Step 3: Cross multiply
   10,401.46x = 15,581.54 × 4,847.15
4. Step 4: Simplify right side
   10,401.46x = 75,526,112.68
5. Step 5: Solve for x
   x = 75,526,112.68/10,401.46
6. Step 6: Final answer
   x = 7,261.11