Finding the Fourth Proportional to 5,298.06, 7,945.45 and 3,665.10

Step by Step Solution

1. Step 1: Write the proportion equation
   5,298.06 : 7,945.45 = 3,665.10 : x
2. Step 2: Convert to fraction form
   5,298.06/7,945.45 = 3,665.10/x
3. Step 3: Cross multiply
   5,298.06x = 7,945.45 × 3,665.10
4. Step 4: Simplify right side
   5,298.06x = 29,120,868.80
5. Step 5: Solve for x
   x = 29,120,868.80/5,298.06
6. Step 6: Final answer
   x = 5,496.52