Finding the Fourth Proportional to 3,845.92, 5,274.71 and 3,687.16

Step by Step Solution

1. Step 1: Write the proportion equation
   3,845.92 : 5,274.71 = 3,687.16 : x
2. Step 2: Convert to fraction form
   3,845.92/5,274.71 = 3,687.16/x
3. Step 3: Cross multiply
   3,845.92x = 5,274.71 × 3,687.16
4. Step 4: Simplify right side
   3,845.92x = 19,448,699.72
5. Step 5: Solve for x
   x = 19,448,699.72/3,845.92
6. Step 6: Final answer
   x = 5,056.97