Finding the Fourth Proportional to 3,713.82, 5,125.17 and 2,142

Step by Step Solution

1. Step 1: Write the proportion equation
   3,713.82 : 5,125.17 = 2,142 : x
2. Step 2: Convert to fraction form
   3,713.82/5,125.17 = 2,142/x
3. Step 3: Cross multiply
   3,713.82x = 5,125.17 × 2,142
4. Step 4: Simplify right side
   3,713.82x = 10,978,114.14
5. Step 5: Solve for x
   x = 10,978,114.14/3,713.82
6. Step 6: Final answer
   x = 2,956.02