Finding the Fourth Proportional to 6,907.69, 10,361.31 and 1,977.33

Step by Step Solution

1. Step 1: Write the proportion equation
   6,907.69 : 10,361.31 = 1,977.33 : x
2. Step 2: Convert to fraction form
   6,907.69/10,361.31 = 1,977.33/x
3. Step 3: Cross multiply
   6,907.69x = 10,361.31 × 1,977.33
4. Step 4: Simplify right side
   6,907.69x = 20,487,729.10
5. Step 5: Solve for x
   x = 20,487,729.10/6,907.69
6. Step 6: Final answer
   x = 2,965.93