Finding the Fourth Proportional to 3,914.89, 5,404.63 and 2,662.63

Step by Step Solution

1. Step 1: Write the proportion equation
   3,914.89 : 5,404.63 = 2,662.63 : x
2. Step 2: Convert to fraction form
   3,914.89/5,404.63 = 2,662.63/x
3. Step 3: Cross multiply
   3,914.89x = 5,404.63 × 2,662.63
4. Step 4: Simplify right side
   3,914.89x = 14,390,509.81
5. Step 5: Solve for x
   x = 14,390,509.81/3,914.89
6. Step 6: Final answer
   x = 3,675.84