Finding the Fourth Proportional to 8,300.34, 11,456.17 and 4,945.12

Step by Step Solution

1. Step 1: Write the proportion equation
   8,300.34 : 11,456.17 = 4,945.12 : x
2. Step 2: Convert to fraction form
   8,300.34/11,456.17 = 4,945.12/x
3. Step 3: Cross multiply
   8,300.34x = 11,456.17 × 4,945.12
4. Step 4: Simplify right side
   8,300.34x = 56,652,094.39
5. Step 5: Solve for x
   x = 56,652,094.39/8,300.34
6. Step 6: Final answer
   x = 6,825.27