Finding the Fourth Proportional to 5,983.30, 8,249.43 and 5,142.34

Step by Step Solution

1. Step 1: Write the proportion equation
   5,983.30 : 8,249.43 = 5,142.34 : x
2. Step 2: Convert to fraction form
   5,983.30/8,249.43 = 5,142.34/x
3. Step 3: Cross multiply
   5,983.30x = 8,249.43 × 5,142.34
4. Step 4: Simplify right side
   5,983.30x = 42,421,373.87
5. Step 5: Solve for x
   x = 42,421,373.87/5,983.30
6. Step 6: Final answer
   x = 7,089.96