Finding the Fourth Proportional to 4,997.50, 7,495.31 and 1,665.79

Step by Step Solution

1. Step 1: Write the proportion equation
   4,997.50 : 7,495.31 = 1,665.79 : x
2. Step 2: Convert to fraction form
   4,997.50/7,495.31 = 1,665.79/x
3. Step 3: Cross multiply
   4,997.50x = 7,495.31 × 1,665.79
4. Step 4: Simplify right side
   4,997.50x = 12,485,614.27
5. Step 5: Solve for x
   x = 12,485,614.27/4,997.50
6. Step 6: Final answer
   x = 2,498.37