Finding the Fourth Proportional to 9,477.06, 13,078.89 and 5,499.42

Step by Step Solution

1. Step 1: Write the proportion equation
   9,477.06 : 13,078.89 = 5,499.42 : x
2. Step 2: Convert to fraction form
   9,477.06/13,078.89 = 5,499.42/x
3. Step 3: Cross multiply
   9,477.06x = 13,078.89 × 5,499.42
4. Step 4: Simplify right side
   9,477.06x = 71,926,309.24
5. Step 5: Solve for x
   x = 71,926,309.24/9,477.06
6. Step 6: Final answer
   x = 7,589.52