Finding the Fourth Proportional to 10,980.80, 15,153.54 and 5,945.02

Step by Step Solution

1. Step 1: Write the proportion equation
   10,980.80 : 15,153.54 = 5,945.02 : x
2. Step 2: Convert to fraction form
   10,980.80/15,153.54 = 5,945.02/x
3. Step 3: Cross multiply
   10,980.80x = 15,153.54 × 5,945.02
4. Step 4: Simplify right side
   10,980.80x = 90,088,098.37
5. Step 5: Solve for x
   x = 90,088,098.37/10,980.80
6. Step 6: Final answer
   x = 8,204.15