Finding the Fourth Proportional to 3,601.94, 4,970.86 and 2,109.96

Step by Step Solution

1. Step 1: Write the proportion equation
   3,601.94 : 4,970.86 = 2,109.96 : x
2. Step 2: Convert to fraction form
   3,601.94/4,970.86 = 2,109.96/x
3. Step 3: Cross multiply
   3,601.94x = 4,970.86 × 2,109.96
4. Step 4: Simplify right side
   3,601.94x = 10,488,310.49
5. Step 5: Solve for x
   x = 10,488,310.49/3,601.94
6. Step 6: Final answer
   x = 2,911.85