Finding the Fourth Proportional to 3,864.02, 5,329.94 and 2,291

Step by Step Solution

1. Step 1: Write the proportion equation
   3,864.02 : 5,329.94 = 2,291 : x
2. Step 2: Convert to fraction form
   3,864.02/5,329.94 = 2,291/x
3. Step 3: Cross multiply
   3,864.02x = 5,329.94 × 2,291
4. Step 4: Simplify right side
   3,864.02x = 12,210,892.54
5. Step 5: Solve for x
   x = 12,210,892.54/3,864.02
6. Step 6: Final answer
   x = 3,160.15