Finding the Fourth Proportional to 2,485.08, 3,744.45 and 2,061.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,485.08 : 3,744.45 = 2,061.72 : x
2. Step 2: Convert to fraction form
   2,485.08/3,744.45 = 2,061.72/x
3. Step 3: Cross multiply
   2,485.08x = 3,744.45 × 2,061.72
4. Step 4: Simplify right side
   2,485.08x = 7,720,007.45
5. Step 5: Solve for x
   x = 7,720,007.45/2,485.08
6. Step 6: Final answer
   x = 3,106.54