Finding the Fourth Proportional to 9,759.39, 13,469.86 and 7,630.71

Step by Step Solution

1. Step 1: Write the proportion equation
   9,759.39 : 13,469.86 = 7,630.71 : x
2. Step 2: Convert to fraction form
   9,759.39/13,469.86 = 7,630.71/x
3. Step 3: Cross multiply
   9,759.39x = 13,469.86 × 7,630.71
4. Step 4: Simplify right side
   9,759.39x = 102,784,554.43
5. Step 5: Solve for x
   x = 102,784,554.43/9,759.39
6. Step 6: Final answer
   x = 10,531.87