Finding the Fourth Proportional to 9,467.80, 13,064.61 and 5,490.16

Step by Step Solution

1. Step 1: Write the proportion equation
   9,467.80 : 13,064.61 = 5,490.16 : x
2. Step 2: Convert to fraction form
   9,467.80/13,064.61 = 5,490.16/x
3. Step 3: Cross multiply
   9,467.80x = 13,064.61 × 5,490.16
4. Step 4: Simplify right side
   9,467.80x = 71,726,799.24
5. Step 5: Solve for x
   x = 71,726,799.24/9,467.80
6. Step 6: Final answer
   x = 7,575.87