Finding the Fourth Proportional to 3,914.07, 5,400.83 and 2,235.17

Step by Step Solution

1. Step 1: Write the proportion equation
   3,914.07 : 5,400.83 = 2,235.17 : x
2. Step 2: Convert to fraction form
   3,914.07/5,400.83 = 2,235.17/x
3. Step 3: Cross multiply
   3,914.07x = 5,400.83 × 2,235.17
4. Step 4: Simplify right side
   3,914.07x = 12,071,764.52
5. Step 5: Solve for x
   x = 12,071,764.52/3,914.07
6. Step 6: Final answer
   x = 3,084.20