Finding the Fourth Proportional to 2,651.33, 3,976.45 and 1,540.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,651.33 : 3,976.45 = 1,540.06 : x
2. Step 2: Convert to fraction form
   2,651.33/3,976.45 = 1,540.06/x
3. Step 3: Cross multiply
   2,651.33x = 3,976.45 × 1,540.06
4. Step 4: Simplify right side
   2,651.33x = 6,123,971.59
5. Step 5: Solve for x
   x = 6,123,971.59/2,651.33
6. Step 6: Final answer
   x = 2,309.77