Finding the Fourth Proportional to 9,719.29, 13,412.07 and 5,470.53

Step by Step Solution

1. Step 1: Write the proportion equation
   9,719.29 : 13,412.07 = 5,470.53 : x
2. Step 2: Convert to fraction form
   9,719.29/13,412.07 = 5,470.53/x
3. Step 3: Cross multiply
   9,719.29x = 13,412.07 × 5,470.53
4. Step 4: Simplify right side
   9,719.29x = 73,371,164.83
5. Step 5: Solve for x
   x = 73,371,164.83/9,719.29
6. Step 6: Final answer
   x = 7,549.03