Finding the Fourth Proportional to 7,142.03, 9,845.85 and 5,250.27

Step by Step Solution

1. Step 1: Write the proportion equation
   7,142.03 : 9,845.85 = 5,250.27 : x
2. Step 2: Convert to fraction form
   7,142.03/9,845.85 = 5,250.27/x
3. Step 3: Cross multiply
   7,142.03x = 9,845.85 × 5,250.27
4. Step 4: Simplify right side
   7,142.03x = 51,693,370.88
5. Step 5: Solve for x
   x = 51,693,370.88/7,142.03
6. Step 6: Final answer
   x = 7,237.92