Finding the Fourth Proportional to 6,665.28, 9,986.58 and 3,736.32

Step by Step Solution

1. Step 1: Write the proportion equation
   6,665.28 : 9,986.58 = 3,736.32 : x
2. Step 2: Convert to fraction form
   6,665.28/9,986.58 = 3,736.32/x
3. Step 3: Cross multiply
   6,665.28x = 9,986.58 × 3,736.32
4. Step 4: Simplify right side
   6,665.28x = 37,313,058.59
5. Step 5: Solve for x
   x = 37,313,058.59/6,665.28
6. Step 6: Final answer
   x = 5,598.12