Finding the Fourth Proportional to 10,980.82, 15,153.58 and 5,945.05

Step by Step Solution

1. Step 1: Write the proportion equation
   10,980.82 : 15,153.58 = 5,945.05 : x
2. Step 2: Convert to fraction form
   10,980.82/15,153.58 = 5,945.05/x
3. Step 3: Cross multiply
   10,980.82x = 15,153.58 × 5,945.05
4. Step 4: Simplify right side
   10,980.82x = 90,088,790.78
5. Step 5: Solve for x
   x = 90,088,790.78/10,980.82
6. Step 6: Final answer
   x = 8,204.20