Finding the Fourth Proportional to 3,653.47, 5,041.78 and 1,997.47

Step by Step Solution

1. Step 1: Write the proportion equation
   3,653.47 : 5,041.78 = 1,997.47 : x
2. Step 2: Convert to fraction form
   3,653.47/5,041.78 = 1,997.47/x
3. Step 3: Cross multiply
   3,653.47x = 5,041.78 × 1,997.47
4. Step 4: Simplify right side
   3,653.47x = 10,070,804.30
5. Step 5: Solve for x
   x = 10,070,804.30/3,653.47
6. Step 6: Final answer
   x = 2,756.50