Finding the Fourth Proportional to 3,300.12, 4,946.94 and 2,129.94

Step by Step Solution

1. Step 1: Write the proportion equation
   3,300.12 : 4,946.94 = 2,129.94 : x
2. Step 2: Convert to fraction form
   3,300.12/4,946.94 = 2,129.94/x
3. Step 3: Cross multiply
   3,300.12x = 4,946.94 × 2,129.94
4. Step 4: Simplify right side
   3,300.12x = 10,536,685.38
5. Step 5: Solve for x
   x = 10,536,685.38/3,300.12
6. Step 6: Final answer
   x = 3,192.82