Finding the Fourth Proportional to 10,581.82, 14,591.54 and 8,921.52

Step by Step Solution

1. Step 1: Write the proportion equation
   10,581.82 : 14,591.54 = 8,921.52 : x
2. Step 2: Convert to fraction form
   10,581.82/14,591.54 = 8,921.52/x
3. Step 3: Cross multiply
   10,581.82x = 14,591.54 × 8,921.52
4. Step 4: Simplify right side
   10,581.82x = 130,178,715.94
5. Step 5: Solve for x
   x = 130,178,715.94/10,581.82
6. Step 6: Final answer
   x = 12,302.11