Finding the Fourth Proportional to 3,977.94, 5,968.47 and 3,655.02

Step by Step Solution

1. Step 1: Write the proportion equation
   3,977.94 : 5,968.47 = 3,655.02 : x
2. Step 2: Convert to fraction form
   3,977.94/5,968.47 = 3,655.02/x
3. Step 3: Cross multiply
   3,977.94x = 5,968.47 × 3,655.02
4. Step 4: Simplify right side
   3,977.94x = 21,814,877.22
5. Step 5: Solve for x
   x = 21,814,877.22/3,977.94
6. Step 6: Final answer
   x = 5,483.96