Finding the Fourth Proportional to 2,910.86, 4,363.50 and 1,867.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,910.86 : 4,363.50 = 1,867.94 : x
2. Step 2: Convert to fraction form
   2,910.86/4,363.50 = 1,867.94/x
3. Step 3: Cross multiply
   2,910.86x = 4,363.50 × 1,867.94
4. Step 4: Simplify right side
   2,910.86x = 8,150,756.19
5. Step 5: Solve for x
   x = 8,150,756.19/2,910.86
6. Step 6: Final answer
   x = 2,800.12