Finding the Fourth Proportional to 9,766.72, 14,631.71 and 4,830.58

Step by Step Solution

1. Step 1: Write the proportion equation
   9,766.72 : 14,631.71 = 4,830.58 : x
2. Step 2: Convert to fraction form
   9,766.72/14,631.71 = 4,830.58/x
3. Step 3: Cross multiply
   9,766.72x = 14,631.71 × 4,830.58
4. Step 4: Simplify right side
   9,766.72x = 70,679,572.53
5. Step 5: Solve for x
   x = 70,679,572.53/9,766.72
6. Step 6: Final answer
   x = 7,236.78