Finding the Fourth Proportional to 6,664.68, 9,197.82 and 3,870.12

Step by Step Solution

1. Step 1: Write the proportion equation
   6,664.68 : 9,197.82 = 3,870.12 : x
2. Step 2: Convert to fraction form
   6,664.68/9,197.82 = 3,870.12/x
3. Step 3: Cross multiply
   6,664.68x = 9,197.82 × 3,870.12
4. Step 4: Simplify right side
   6,664.68x = 35,596,667.14
5. Step 5: Solve for x
   x = 35,596,667.14/6,664.68
6. Step 6: Final answer
   x = 5,341.09