Finding the Fourth Proportional to 9,947.17, 13,727.02 and 5,470.81

Step by Step Solution

1. Step 1: Write the proportion equation
   9,947.17 : 13,727.02 = 5,470.81 : x
2. Step 2: Convert to fraction form
   9,947.17/13,727.02 = 5,470.81/x
3. Step 3: Cross multiply
   9,947.17x = 13,727.02 × 5,470.81
4. Step 4: Simplify right side
   9,947.17x = 75,097,918.29
5. Step 5: Solve for x
   x = 75,097,918.29/9,947.17
6. Step 6: Final answer
   x = 7,549.68