Finding the Fourth Proportional to 10,111.42, 15,157.56 and 3,533.35

Step by Step Solution

1. Step 1: Write the proportion equation
   10,111.42 : 15,157.56 = 3,533.35 : x
2. Step 2: Convert to fraction form
   10,111.42/15,157.56 = 3,533.35/x
3. Step 3: Cross multiply
   10,111.42x = 15,157.56 × 3,533.35
4. Step 4: Simplify right side
   10,111.42x = 53,556,964.63
5. Step 5: Solve for x
   x = 53,556,964.63/10,111.42
6. Step 6: Final answer
   x = 5,296.68