Finding the Fourth Proportional to 10,913.50, 15,060.64 and 5,945.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,913.50 : 15,060.64 = 5,945.50 : x
2. Step 2: Convert to fraction form
   10,913.50/15,060.64 = 5,945.50/x
3. Step 3: Cross multiply
   10,913.50x = 15,060.64 × 5,945.50
4. Step 4: Simplify right side
   10,913.50x = 89,543,035.12
5. Step 5: Solve for x
   x = 89,543,035.12/10,913.50
6. Step 6: Final answer
   x = 8,204.80