Finding the Fourth Proportional to 3,448.72, 5,172.16 and 2,061

Step by Step Solution

1. Step 1: Write the proportion equation
   3,448.72 : 5,172.16 = 2,061 : x
2. Step 2: Convert to fraction form
   3,448.72/5,172.16 = 2,061/x
3. Step 3: Cross multiply
   3,448.72x = 5,172.16 × 2,061
4. Step 4: Simplify right side
   3,448.72x = 10,659,821.76
5. Step 5: Solve for x
   x = 10,659,821.76/3,448.72
6. Step 6: Final answer
   x = 3,090.95