Finding the Fourth Proportional to 9,719.49, 13,411.92 and 5,470.46

Step by Step Solution

1. Step 1: Write the proportion equation
   9,719.49 : 13,411.92 = 5,470.46 : x
2. Step 2: Convert to fraction form
   9,719.49/13,411.92 = 5,470.46/x
3. Step 3: Cross multiply
   9,719.49x = 13,411.92 × 5,470.46
4. Step 4: Simplify right side
   9,719.49x = 73,369,304.82
5. Step 5: Solve for x
   x = 73,369,304.82/9,719.49
6. Step 6: Final answer
   x = 7,548.68