Finding the Fourth Proportional to 9,747.80, 14,621.38 and 3,902.84

Step by Step Solution

1. Step 1: Write the proportion equation
   9,747.80 : 14,621.38 = 3,902.84 : x
2. Step 2: Convert to fraction form
   9,747.80/14,621.38 = 3,902.84/x
3. Step 3: Cross multiply
   9,747.80x = 14,621.38 × 3,902.84
4. Step 4: Simplify right side
   9,747.80x = 57,064,906.72
5. Step 5: Solve for x
   x = 57,064,906.72/9,747.80
6. Step 6: Final answer
   x = 5,854.13