Finding the Fourth Proportional to 3,094.69, 4,636.72 and 1,921.81

Step by Step Solution

1. Step 1: Write the proportion equation
   3,094.69 : 4,636.72 = 1,921.81 : x
2. Step 2: Convert to fraction form
   3,094.69/4,636.72 = 1,921.81/x
3. Step 3: Cross multiply
   3,094.69x = 4,636.72 × 1,921.81
4. Step 4: Simplify right side
   3,094.69x = 8,910,894.86
5. Step 5: Solve for x
   x = 8,910,894.86/3,094.69
6. Step 6: Final answer
   x = 2,879.41