Finding the Fourth Proportional to 3,997.47, 5,510.58 and 2,581.05

Step by Step Solution

1. Step 1: Write the proportion equation
   3,997.47 : 5,510.58 = 2,581.05 : x
2. Step 2: Convert to fraction form
   3,997.47/5,510.58 = 2,581.05/x
3. Step 3: Cross multiply
   3,997.47x = 5,510.58 × 2,581.05
4. Step 4: Simplify right side
   3,997.47x = 14,223,082.51
5. Step 5: Solve for x
   x = 14,223,082.51/3,997.47
6. Step 6: Final answer
   x = 3,558.02