Finding the Fourth Proportional to 3,444.69, 5,160.56 and 3,406.35

Step by Step Solution

1. Step 1: Write the proportion equation
   3,444.69 : 5,160.56 = 3,406.35 : x
2. Step 2: Convert to fraction form
   3,444.69/5,160.56 = 3,406.35/x
3. Step 3: Cross multiply
   3,444.69x = 5,160.56 × 3,406.35
4. Step 4: Simplify right side
   3,444.69x = 17,578,656.52
5. Step 5: Solve for x
   x = 17,578,656.52/3,444.69
6. Step 6: Final answer
   x = 5,103.12