Finding the Fourth Proportional to 9,923.75, 14,878.88 and 3,680.37

Step by Step Solution

1. Step 1: Write the proportion equation
   9,923.75 : 14,878.88 = 3,680.37 : x
2. Step 2: Convert to fraction form
   9,923.75/14,878.88 = 3,680.37/x
3. Step 3: Cross multiply
   9,923.75x = 14,878.88 × 3,680.37
4. Step 4: Simplify right side
   9,923.75x = 54,759,783.59
5. Step 5: Solve for x
   x = 54,759,783.59/9,923.75
6. Step 6: Final answer
   x = 5,518.05