Finding the Fourth Proportional to 2,448.72, 3,380.98 and 1,505.77

Step by Step Solution

1. Step 1: Write the proportion equation
   2,448.72 : 3,380.98 = 1,505.77 : x
2. Step 2: Convert to fraction form
   2,448.72/3,380.98 = 1,505.77/x
3. Step 3: Cross multiply
   2,448.72x = 3,380.98 × 1,505.77
4. Step 4: Simplify right side
   2,448.72x = 5,090,978.25
5. Step 5: Solve for x
   x = 5,090,978.25/2,448.72
6. Step 6: Final answer
   x = 2,079.04