Finding the Fourth Proportional to 9,959.72, 13,743.86 and 5,482.74

Step by Step Solution

1. Step 1: Write the proportion equation
   9,959.72 : 13,743.86 = 5,482.74 : x
2. Step 2: Convert to fraction form
   9,959.72/13,743.86 = 5,482.74/x
3. Step 3: Cross multiply
   9,959.72x = 13,743.86 × 5,482.74
4. Step 4: Simplify right side
   9,959.72x = 75,353,983.56
5. Step 5: Solve for x
   x = 75,353,983.56/9,959.72
6. Step 6: Final answer
   x = 7,565.88