Finding the Fourth Proportional to 3,891.02, 5,836.50 and 969.31

Step by Step Solution

1. Step 1: Write the proportion equation
   3,891.02 : 5,836.50 = 969.31 : x
2. Step 2: Convert to fraction form
   3,891.02/5,836.50 = 969.31/x
3. Step 3: Cross multiply
   3,891.02x = 5,836.50 × 969.31
4. Step 4: Simplify right side
   3,891.02x = 5,657,377.82
5. Step 5: Solve for x
   x = 5,657,377.82/3,891.02
6. Step 6: Final answer
   x = 1,453.96