Finding the Fourth Proportional to 3,985.07, 5,498.42 and 2,306.14

Step by Step Solution

1. Step 1: Write the proportion equation
   3,985.07 : 5,498.42 = 2,306.14 : x
2. Step 2: Convert to fraction form
   3,985.07/5,498.42 = 2,306.14/x
3. Step 3: Cross multiply
   3,985.07x = 5,498.42 × 2,306.14
4. Step 4: Simplify right side
   3,985.07x = 12,680,101.02
5. Step 5: Solve for x
   x = 12,680,101.02/3,985.07
6. Step 6: Final answer
   x = 3,181.91