Finding the Fourth Proportional to 9,719.34, 13,411.35 and 5,470.62

Step by Step Solution

1. Step 1: Write the proportion equation
   9,719.34 : 13,411.35 = 5,470.62 : x
2. Step 2: Convert to fraction form
   9,719.34/13,411.35 = 5,470.62/x
3. Step 3: Cross multiply
   9,719.34x = 13,411.35 × 5,470.62
4. Step 4: Simplify right side
   9,719.34x = 73,368,399.54
5. Step 5: Solve for x
   x = 73,368,399.54/9,719.34
6. Step 6: Final answer
   x = 7,548.70