Finding the Fourth Proportional to 9,718.84, 13,410.66 and 5,470.12

Step by Step Solution

1. Step 1: Write the proportion equation
   9,718.84 : 13,410.66 = 5,470.12 : x
2. Step 2: Convert to fraction form
   9,718.84/13,410.66 = 5,470.12/x
3. Step 3: Cross multiply
   9,718.84x = 13,410.66 × 5,470.12
4. Step 4: Simplify right side
   9,718.84x = 73,357,919.48
5. Step 5: Solve for x
   x = 73,357,919.48/9,718.84
6. Step 6: Final answer
   x = 7,548.01