Finding the Fourth Proportional to 8,647.39, 11,927.86 and 5,994.30

Step by Step Solution

1. Step 1: Write the proportion equation
   8,647.39 : 11,927.86 = 5,994.30 : x
2. Step 2: Convert to fraction form
   8,647.39/11,927.86 = 5,994.30/x
3. Step 3: Cross multiply
   8,647.39x = 11,927.86 × 5,994.30
4. Step 4: Simplify right side
   8,647.39x = 71,499,200.94
5. Step 5: Solve for x
   x = 71,499,200.94/8,647.39
6. Step 6: Final answer
   x = 8,268.30