Finding the Fourth Proportional to 9,615.90, 14,426.79 and 4,684.83

Step by Step Solution

1. Step 1: Write the proportion equation
   9,615.90 : 14,426.79 = 4,684.83 : x
2. Step 2: Convert to fraction form
   9,615.90/14,426.79 = 4,684.83/x
3. Step 3: Cross multiply
   9,615.90x = 14,426.79 × 4,684.83
4. Step 4: Simplify right side
   9,615.90x = 67,587,058.60
5. Step 5: Solve for x
   x = 67,587,058.60/9,615.90
6. Step 6: Final answer
   x = 7,028.68