Finding the Fourth Proportional to 3,300.05, 4,942.21 and 1,910.46

Step by Step Solution

1. Step 1: Write the proportion equation
   3,300.05 : 4,942.21 = 1,910.46 : x
2. Step 2: Convert to fraction form
   3,300.05/4,942.21 = 1,910.46/x
3. Step 3: Cross multiply
   3,300.05x = 4,942.21 × 1,910.46
4. Step 4: Simplify right side
   3,300.05x = 9,441,894.52
5. Step 5: Solve for x
   x = 9,441,894.52/3,300.05
6. Step 6: Final answer
   x = 2,861.14