Finding the Fourth Proportional to 9,802.77, 14,706.35 and 3,228.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,802.77 : 14,706.35 = 3,228.72 : x
2. Step 2: Convert to fraction form
   9,802.77/14,706.35 = 3,228.72/x
3. Step 3: Cross multiply
   9,802.77x = 14,706.35 × 3,228.72
4. Step 4: Simplify right side
   9,802.77x = 47,482,686.37
5. Step 5: Solve for x
   x = 47,482,686.37/9,802.77
6. Step 6: Final answer
   x = 4,843.80