Finding the Fourth Proportional to 10,105.58, 15,158.42 and 3,527.15

Step by Step Solution

1. Step 1: Write the proportion equation
   10,105.58 : 15,158.42 = 3,527.15 : x
2. Step 2: Convert to fraction form
   10,105.58/15,158.42 = 3,527.15/x
3. Step 3: Cross multiply
   10,105.58x = 15,158.42 × 3,527.15
4. Step 4: Simplify right side
   10,105.58x = 53,466,021.10
5. Step 5: Solve for x
   x = 53,466,021.10/10,105.58
6. Step 6: Final answer
   x = 5,290.74