Finding the Fourth Proportional to 5,978.56, 8,967.76 and 1,818.56

Step by Step Solution

1. Step 1: Write the proportion equation
   5,978.56 : 8,967.76 = 1,818.56 : x
2. Step 2: Convert to fraction form
   5,978.56/8,967.76 = 1,818.56/x
3. Step 3: Cross multiply
   5,978.56x = 8,967.76 × 1,818.56
4. Step 4: Simplify right side
   5,978.56x = 16,308,409.63
5. Step 5: Solve for x
   x = 16,308,409.63/5,978.56
6. Step 6: Final answer
   x = 2,727.82