Finding the Fourth Proportional to 4,997.37, 7,498.23 and 2,686.17

Step by Step Solution

1. Step 1: Write the proportion equation
   4,997.37 : 7,498.23 = 2,686.17 : x
2. Step 2: Convert to fraction form
   4,997.37/7,498.23 = 2,686.17/x
3. Step 3: Cross multiply
   4,997.37x = 7,498.23 × 2,686.17
4. Step 4: Simplify right side
   4,997.37x = 20,141,520.48
5. Step 5: Solve for x
   x = 20,141,520.48/4,997.37
6. Step 6: Final answer
   x = 4,030.42