Finding the Fourth Proportional to 9,470.42, 13,067.65 and 5,490.76

Step by Step Solution

1. Step 1: Write the proportion equation
   9,470.42 : 13,067.65 = 5,490.76 : x
2. Step 2: Convert to fraction form
   9,470.42/13,067.65 = 5,490.76/x
3. Step 3: Cross multiply
   9,470.42x = 13,067.65 × 5,490.76
4. Step 4: Simplify right side
   9,470.42x = 71,751,329.91
5. Step 5: Solve for x
   x = 71,751,329.91/9,470.42
6. Step 6: Final answer
   x = 7,576.36