Finding the Fourth Proportional to 2,905.40, 4,354.86 and 2,327.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,905.40 : 4,354.86 = 2,327.06 : x
2. Step 2: Convert to fraction form
   2,905.40/4,354.86 = 2,327.06/x
3. Step 3: Cross multiply
   2,905.40x = 4,354.86 × 2,327.06
4. Step 4: Simplify right side
   2,905.40x = 10,134,020.51
5. Step 5: Solve for x
   x = 10,134,020.51/2,905.40
6. Step 6: Final answer
   x = 3,487.99