Finding the Fourth Proportional to 9,630.82, 13,281.64 and 7,392.79

Step by Step Solution

1. Step 1: Write the proportion equation
   9,630.82 : 13,281.64 = 7,392.79 : x
2. Step 2: Convert to fraction form
   9,630.82/13,281.64 = 7,392.79/x
3. Step 3: Cross multiply
   9,630.82x = 13,281.64 × 7,392.79
4. Step 4: Simplify right side
   9,630.82x = 98,188,417.82
5. Step 5: Solve for x
   x = 98,188,417.82/9,630.82
6. Step 6: Final answer
   x = 10,195.23