Finding the Fourth Proportional to 6,961.82, 9,607.83 and 3,977.59

Step by Step Solution

1. Step 1: Write the proportion equation
   6,961.82 : 9,607.83 = 3,977.59 : x
2. Step 2: Convert to fraction form
   6,961.82/9,607.83 = 3,977.59/x
3. Step 3: Cross multiply
   6,961.82x = 9,607.83 × 3,977.59
4. Step 4: Simplify right side
   6,961.82x = 38,216,032.10
5. Step 5: Solve for x
   x = 38,216,032.10/6,961.82
6. Step 6: Final answer
   x = 5,489.37