Finding the Fourth Proportional to 2,914.89, 4,354.32 and 2,621.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,914.89 : 4,354.32 = 2,621.94 : x
2. Step 2: Convert to fraction form
   2,914.89/4,354.32 = 2,621.94/x
3. Step 3: Cross multiply
   2,914.89x = 4,354.32 × 2,621.94
4. Step 4: Simplify right side
   2,914.89x = 11,416,765.78
5. Step 5: Solve for x
   x = 11,416,765.78/2,914.89
6. Step 6: Final answer
   x = 3,916.71