Finding the Fourth Proportional to 2,331.86, 3,480.71 and 2,055.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,331.86 : 3,480.71 = 2,055.06 : x
2. Step 2: Convert to fraction form
   2,331.86/3,480.71 = 2,055.06/x
3. Step 3: Cross multiply
   2,331.86x = 3,480.71 × 2,055.06
4. Step 4: Simplify right side
   2,331.86x = 7,153,069.18
5. Step 5: Solve for x
   x = 7,153,069.18/2,331.86
6. Step 6: Final answer
   x = 3,067.54