Finding the Fourth Proportional to 10,105.50, 15,156.42 and 3,533.56

Step by Step Solution

1. Step 1: Write the proportion equation
   10,105.50 : 15,156.42 = 3,533.56 : x
2. Step 2: Convert to fraction form
   10,105.50/15,156.42 = 3,533.56/x
3. Step 3: Cross multiply
   10,105.50x = 15,156.42 × 3,533.56
4. Step 4: Simplify right side
   10,105.50x = 53,556,119.46
5. Step 5: Solve for x
   x = 53,556,119.46/10,105.50
6. Step 6: Final answer
   x = 5,299.70