Finding the Fourth Proportional to 10,531.35, 15,796.72 and 4,289.82

Step by Step Solution

1. Step 1: Write the proportion equation
   10,531.35 : 15,796.72 = 4,289.82 : x
2. Step 2: Convert to fraction form
   10,531.35/15,796.72 = 4,289.82/x
3. Step 3: Cross multiply
   10,531.35x = 15,796.72 × 4,289.82
4. Step 4: Simplify right side
   10,531.35x = 67,765,085.39
5. Step 5: Solve for x
   x = 67,765,085.39/10,531.35
6. Step 6: Final answer
   x = 6,434.60