Finding the Fourth Proportional to 9,772.71, 14,667.27 and 4,230.30

Step by Step Solution

1. Step 1: Write the proportion equation
   9,772.71 : 14,667.27 = 4,230.30 : x
2. Step 2: Convert to fraction form
   9,772.71/14,667.27 = 4,230.30/x
3. Step 3: Cross multiply
   9,772.71x = 14,667.27 × 4,230.30
4. Step 4: Simplify right side
   9,772.71x = 62,046,952.28
5. Step 5: Solve for x
   x = 62,046,952.28/9,772.71
6. Step 6: Final answer
   x = 6,349.00