Finding the Fourth Proportional to 9,470.82, 13,065.72 and 5,490.48

Step by Step Solution

1. Step 1: Write the proportion equation
   9,470.82 : 13,065.72 = 5,490.48 : x
2. Step 2: Convert to fraction form
   9,470.82/13,065.72 = 5,490.48/x
3. Step 3: Cross multiply
   9,470.82x = 13,065.72 × 5,490.48
4. Step 4: Simplify right side
   9,470.82x = 71,737,074.35
5. Step 5: Solve for x
   x = 71,737,074.35/9,470.82
6. Step 6: Final answer
   x = 7,574.54