Finding the Fourth Proportional to 3,710.24, 5,538.28 and 3,436.16

Step by Step Solution

1. Step 1: Write the proportion equation
   3,710.24 : 5,538.28 = 3,436.16 : x
2. Step 2: Convert to fraction form
   3,710.24/5,538.28 = 3,436.16/x
3. Step 3: Cross multiply
   3,710.24x = 5,538.28 × 3,436.16
4. Step 4: Simplify right side
   3,710.24x = 19,030,416.20
5. Step 5: Solve for x
   x = 19,030,416.20/3,710.24
6. Step 6: Final answer
   x = 5,129.16