Finding the Fourth Proportional to 9,956.52, 13,739.83 and 5,480.18

Step by Step Solution

1. Step 1: Write the proportion equation
   9,956.52 : 13,739.83 = 5,480.18 : x
2. Step 2: Convert to fraction form
   9,956.52/13,739.83 = 5,480.18/x
3. Step 3: Cross multiply
   9,956.52x = 13,739.83 × 5,480.18
4. Step 4: Simplify right side
   9,956.52x = 75,296,645.47
5. Step 5: Solve for x
   x = 75,296,645.47/9,956.52
6. Step 6: Final answer
   x = 7,562.55