Finding the Fourth Proportional to 9,854.33, 14,783.85 and 3,280.57

Step by Step Solution

1. Step 1: Write the proportion equation
   9,854.33 : 14,783.85 = 3,280.57 : x
2. Step 2: Convert to fraction form
   9,854.33/14,783.85 = 3,280.57/x
3. Step 3: Cross multiply
   9,854.33x = 14,783.85 × 3,280.57
4. Step 4: Simplify right side
   9,854.33x = 48,499,417.83
5. Step 5: Solve for x
   x = 48,499,417.83/9,854.33
6. Step 6: Final answer
   x = 4,921.64