Finding the Fourth Proportional to 7,874.86, 10,867.32 and 4,289.84

Step by Step Solution

1. Step 1: Write the proportion equation
   7,874.86 : 10,867.32 = 4,289.84 : x
2. Step 2: Convert to fraction form
   7,874.86/10,867.32 = 4,289.84/x
3. Step 3: Cross multiply
   7,874.86x = 10,867.32 × 4,289.84
4. Step 4: Simplify right side
   7,874.86x = 46,619,064.03
5. Step 5: Solve for x
   x = 46,619,064.03/7,874.86
6. Step 6: Final answer
   x = 5,919.99