Finding the Fourth Proportional to 2,659.94, 3,669.72 and 1,540.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,659.94 : 3,669.72 = 1,540.47 : x
2. Step 2: Convert to fraction form
   2,659.94/3,669.72 = 1,540.47/x
3. Step 3: Cross multiply
   2,659.94x = 3,669.72 × 1,540.47
4. Step 4: Simplify right side
   2,659.94x = 5,653,083.08
5. Step 5: Solve for x
   x = 5,653,083.08/2,659.94
6. Step 6: Final answer
   x = 2,125.27