Finding the Fourth Proportional to 5,978.09, 8,967.46 and 1,817.78

Step by Step Solution

1. Step 1: Write the proportion equation
   5,978.09 : 8,967.46 = 1,817.78 : x
2. Step 2: Convert to fraction form
   5,978.09/8,967.46 = 1,817.78/x
3. Step 3: Cross multiply
   5,978.09x = 8,967.46 × 1,817.78
4. Step 4: Simplify right side
   5,978.09x = 16,300,876.38
5. Step 5: Solve for x
   x = 16,300,876.38/5,978.09
6. Step 6: Final answer
   x = 2,726.77