Finding the Fourth Proportional to 2,661.66, 3,994.71 and 2,354.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,661.66 : 3,994.71 = 2,354.25 : x
2. Step 2: Convert to fraction form
   2,661.66/3,994.71 = 2,354.25/x
3. Step 3: Cross multiply
   2,661.66x = 3,994.71 × 2,354.25
4. Step 4: Simplify right side
   2,661.66x = 9,404,546.02
5. Step 5: Solve for x
   x = 9,404,546.02/2,661.66
6. Step 6: Final answer
   x = 3,533.34