Finding the Fourth Proportional to 7,300.81, 10,959.41 and 2,921.32

Step by Step Solution

1. Step 1: Write the proportion equation
   7,300.81 : 10,959.41 = 2,921.32 : x
2. Step 2: Convert to fraction form
   7,300.81/10,959.41 = 2,921.32/x
3. Step 3: Cross multiply
   7,300.81x = 10,959.41 × 2,921.32
4. Step 4: Simplify right side
   7,300.81x = 32,015,943.62
5. Step 5: Solve for x
   x = 32,015,943.62/7,300.81
6. Step 6: Final answer
   x = 4,385.26