Finding the Fourth Proportional to 9,467.31, 13,064.90 and 5,490.73

Step by Step Solution

1. Step 1: Write the proportion equation
   9,467.31 : 13,064.90 = 5,490.73 : x
2. Step 2: Convert to fraction form
   9,467.31/13,064.90 = 5,490.73/x
3. Step 3: Cross multiply
   9,467.31x = 13,064.90 × 5,490.73
4. Step 4: Simplify right side
   9,467.31x = 71,735,838.38
5. Step 5: Solve for x
   x = 71,735,838.38/9,467.31
6. Step 6: Final answer
   x = 7,577.21