Finding the Fourth Proportional to 3,800.64, 5,245.25 and 2,308.62

Step by Step Solution

1. Step 1: Write the proportion equation
   3,800.64 : 5,245.25 = 2,308.62 : x
2. Step 2: Convert to fraction form
   3,800.64/5,245.25 = 2,308.62/x
3. Step 3: Cross multiply
   3,800.64x = 5,245.25 × 2,308.62
4. Step 4: Simplify right side
   3,800.64x = 12,109,277.51
5. Step 5: Solve for x
   x = 12,109,277.51/3,800.64
6. Step 6: Final answer
   x = 3,186.12