Finding the Fourth Proportional to 3,086.96, 4,256.33 and 2,142.03

Step by Step Solution

1. Step 1: Write the proportion equation
   3,086.96 : 4,256.33 = 2,142.03 : x
2. Step 2: Convert to fraction form
   3,086.96/4,256.33 = 2,142.03/x
3. Step 3: Cross multiply
   3,086.96x = 4,256.33 × 2,142.03
4. Step 4: Simplify right side
   3,086.96x = 9,117,175.84
5. Step 5: Solve for x
   x = 9,117,175.84/3,086.96
6. Step 6: Final answer
   x = 2,953.45