Finding the Fourth Proportional to 10,086.04, 15,129.27 and 3,674.40

Step by Step Solution

1. Step 1: Write the proportion equation
   10,086.04 : 15,129.27 = 3,674.40 : x
2. Step 2: Convert to fraction form
   10,086.04/15,129.27 = 3,674.40/x
3. Step 3: Cross multiply
   10,086.04x = 15,129.27 × 3,674.40
4. Step 4: Simplify right side
   10,086.04x = 55,590,989.69
5. Step 5: Solve for x
   x = 55,590,989.69/10,086.04
6. Step 6: Final answer
   x = 5,511.68