Finding the Fourth Proportional to 3,690.69, 5,538.47 and 2,025.47

Step by Step Solution

1. Step 1: Write the proportion equation
   3,690.69 : 5,538.47 = 2,025.47 : x
2. Step 2: Convert to fraction form
   3,690.69/5,538.47 = 2,025.47/x
3. Step 3: Cross multiply
   3,690.69x = 5,538.47 × 2,025.47
4. Step 4: Simplify right side
   3,690.69x = 11,217,967.01
5. Step 5: Solve for x
   x = 11,217,967.01/3,690.69
6. Step 6: Final answer
   x = 3,039.53