Finding the Fourth Proportional to 2,659.69, 3,670.19 and 1,540.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,659.69 : 3,670.19 = 1,540.54 : x
2. Step 2: Convert to fraction form
   2,659.69/3,670.19 = 1,540.54/x
3. Step 3: Cross multiply
   2,659.69x = 3,670.19 × 1,540.54
4. Step 4: Simplify right side
   2,659.69x = 5,654,065.19
5. Step 5: Solve for x
   x = 5,654,065.19/2,659.69
6. Step 6: Final answer
   x = 2,125.84