Finding the Fourth Proportional to 10,190.61, 15,288.12 and 3,527.10

Step by Step Solution

1. Step 1: Write the proportion equation
   10,190.61 : 15,288.12 = 3,527.10 : x
2. Step 2: Convert to fraction form
   10,190.61/15,288.12 = 3,527.10/x
3. Step 3: Cross multiply
   10,190.61x = 15,288.12 × 3,527.10
4. Step 4: Simplify right side
   10,190.61x = 53,922,728.05
5. Step 5: Solve for x
   x = 53,922,728.05/10,190.61
6. Step 6: Final answer
   x = 5,291.41