Finding the Fourth Proportional to 10,153.93, 15,231.34 and 3,580.17

Step by Step Solution

1. Step 1: Write the proportion equation
   10,153.93 : 15,231.34 = 3,580.17 : x
2. Step 2: Convert to fraction form
   10,153.93/15,231.34 = 3,580.17/x
3. Step 3: Cross multiply
   10,153.93x = 15,231.34 × 3,580.17
4. Step 4: Simplify right side
   10,153.93x = 54,530,786.53
5. Step 5: Solve for x
   x = 54,530,786.53/10,153.93
6. Step 6: Final answer
   x = 5,370.41