Finding the Fourth Proportional to 9,956.82, 13,739.52 and 5,480.52

Step by Step Solution

1. Step 1: Write the proportion equation
   9,956.82 : 13,739.52 = 5,480.52 : x
2. Step 2: Convert to fraction form
   9,956.82/13,739.52 = 5,480.52/x
3. Step 3: Cross multiply
   9,956.82x = 13,739.52 × 5,480.52
4. Step 4: Simplify right side
   9,956.82x = 75,299,714.15
5. Step 5: Solve for x
   x = 75,299,714.15/9,956.82
6. Step 6: Final answer
   x = 7,562.63