Finding the Fourth Proportional to 3,914.27, 5,402.23 and 2,402.73

Step by Step Solution

1. Step 1: Write the proportion equation
   3,914.27 : 5,402.23 = 2,402.73 : x
2. Step 2: Convert to fraction form
   3,914.27/5,402.23 = 2,402.73/x
3. Step 3: Cross multiply
   3,914.27x = 5,402.23 × 2,402.73
4. Step 4: Simplify right side
   3,914.27x = 12,980,094.08
5. Step 5: Solve for x
   x = 12,980,094.08/3,914.27
6. Step 6: Final answer
   x = 3,316.09