Finding the Fourth Proportional to 10,864.04, 16,295.33 and 5,317.76

Step by Step Solution

1. Step 1: Write the proportion equation
   10,864.04 : 16,295.33 = 5,317.76 : x
2. Step 2: Convert to fraction form
   10,864.04/16,295.33 = 5,317.76/x
3. Step 3: Cross multiply
   10,864.04x = 16,295.33 × 5,317.76
4. Step 4: Simplify right side
   10,864.04x = 86,654,546.00
5. Step 5: Solve for x
   x = 86,654,546.00/10,864.04
6. Step 6: Final answer
   x = 7,976.28