Finding the Fourth Proportional to 3,914.00, 5,400.78 and 2,235.29

Step by Step Solution

1. Step 1: Write the proportion equation
   3,914.00 : 5,400.78 = 2,235.29 : x
2. Step 2: Convert to fraction form
   3,914.00/5,400.78 = 2,235.29/x
3. Step 3: Cross multiply
   3,914.00x = 5,400.78 × 2,235.29
4. Step 4: Simplify right side
   3,914.00x = 12,072,282.52
5. Step 5: Solve for x
   x = 12,072,282.52/3,914.00
6. Step 6: Final answer
   x = 3,084.39