Finding the Fourth Proportional to 7,005.69, 10,505.57 and 3,494.34

Step by Step Solution

1. Step 1: Write the proportion equation
   7,005.69 : 10,505.57 = 3,494.34 : x
2. Step 2: Convert to fraction form
   7,005.69/10,505.57 = 3,494.34/x
3. Step 3: Cross multiply
   7,005.69x = 10,505.57 × 3,494.34
4. Step 4: Simplify right side
   7,005.69x = 36,710,016.00
5. Step 5: Solve for x
   x = 36,710,016.00/7,005.69
6. Step 6: Final answer
   x = 5,240.03