Finding the Fourth Proportional to 2,460.47, 3,688.61 and 1,997.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,460.47 : 3,688.61 = 1,997.09 : x
2. Step 2: Convert to fraction form
   2,460.47/3,688.61 = 1,997.09/x
3. Step 3: Cross multiply
   2,460.47x = 3,688.61 × 1,997.09
4. Step 4: Simplify right side
   2,460.47x = 7,366,457.72
5. Step 5: Solve for x
   x = 7,366,457.72/2,460.47
6. Step 6: Final answer
   x = 2,993.93