Finding the Fourth Proportional to 6,147.83, 8,487.18 and 4,356.72

Step by Step Solution

1. Step 1: Write the proportion equation
   6,147.83 : 8,487.18 = 4,356.72 : x
2. Step 2: Convert to fraction form
   6,147.83/8,487.18 = 4,356.72/x
3. Step 3: Cross multiply
   6,147.83x = 8,487.18 × 4,356.72
4. Step 4: Simplify right side
   6,147.83x = 36,976,266.85
5. Step 5: Solve for x
   x = 36,976,266.85/6,147.83
6. Step 6: Final answer
   x = 6,014.52