Finding the Fourth Proportional to 10,111.37, 15,157.47 and 3,533.28

Step by Step Solution

1. Step 1: Write the proportion equation
   10,111.37 : 15,157.47 = 3,533.28 : x
2. Step 2: Convert to fraction form
   10,111.37/15,157.47 = 3,533.28/x
3. Step 3: Cross multiply
   10,111.37x = 15,157.47 × 3,533.28
4. Step 4: Simplify right side
   10,111.37x = 53,555,585.60
5. Step 5: Solve for x
   x = 53,555,585.60/10,111.37
6. Step 6: Final answer
   x = 5,296.57