Finding the Fourth Proportional to 7,086.44, 10,621.89 and 2,924.30

Step by Step Solution

1. Step 1: Write the proportion equation
   7,086.44 : 10,621.89 = 2,924.30 : x
2. Step 2: Convert to fraction form
   7,086.44/10,621.89 = 2,924.30/x
3. Step 3: Cross multiply
   7,086.44x = 10,621.89 × 2,924.30
4. Step 4: Simplify right side
   7,086.44x = 31,061,619.48
5. Step 5: Solve for x
   x = 31,061,619.48/7,086.44
6. Step 6: Final answer
   x = 4,383.25