Finding the Fourth Proportional to 9,179.84, 13,759.94 and 3,630.78

Step by Step Solution

1. Step 1: Write the proportion equation
   9,179.84 : 13,759.94 = 3,630.78 : x
2. Step 2: Convert to fraction form
   9,179.84/13,759.94 = 3,630.78/x
3. Step 3: Cross multiply
   9,179.84x = 13,759.94 × 3,630.78
4. Step 4: Simplify right side
   9,179.84x = 49,959,314.95
5. Step 5: Solve for x
   x = 49,959,314.95/9,179.84
6. Step 6: Final answer
   x = 5,442.29