Finding the Fourth Proportional to 10,105.91, 15,152.01 and 3,528.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,105.91 : 15,152.01 = 3,528.50 : x
2. Step 2: Convert to fraction form
   10,105.91/15,152.01 = 3,528.50/x
3. Step 3: Cross multiply
   10,105.91x = 15,152.01 × 3,528.50
4. Step 4: Simplify right side
   10,105.91x = 53,463,867.29
5. Step 5: Solve for x
   x = 53,463,867.29/10,105.91
6. Step 6: Final answer
   x = 5,290.36