Finding the Fourth Proportional to 5,986.86, 8,259.72 and 3,467.60

Step by Step Solution

1. Step 1: Write the proportion equation
   5,986.86 : 8,259.72 = 3,467.60 : x
2. Step 2: Convert to fraction form
   5,986.86/8,259.72 = 3,467.60/x
3. Step 3: Cross multiply
   5,986.86x = 8,259.72 × 3,467.60
4. Step 4: Simplify right side
   5,986.86x = 28,641,405.07
5. Step 5: Solve for x
   x = 28,641,405.07/5,986.86
6. Step 6: Final answer
   x = 4,784.04