Finding the Fourth Proportional to 9,311.84, 13,969.82 and 3,073.78

Step by Step Solution

1. Step 1: Write the proportion equation
   9,311.84 : 13,969.82 = 3,073.78 : x
2. Step 2: Convert to fraction form
   9,311.84/13,969.82 = 3,073.78/x
3. Step 3: Cross multiply
   9,311.84x = 13,969.82 × 3,073.78
4. Step 4: Simplify right side
   9,311.84x = 42,940,153.32
5. Step 5: Solve for x
   x = 42,940,153.32/9,311.84
6. Step 6: Final answer
   x = 4,611.35