Finding the Fourth Proportional to 5,447.34, 8,174.43 and 1,984.50

Step by Step Solution

1. Step 1: Write the proportion equation
   5,447.34 : 8,174.43 = 1,984.50 : x
2. Step 2: Convert to fraction form
   5,447.34/8,174.43 = 1,984.50/x
3. Step 3: Cross multiply
   5,447.34x = 8,174.43 × 1,984.50
4. Step 4: Simplify right side
   5,447.34x = 16,222,156.34
5. Step 5: Solve for x
   x = 16,222,156.34/5,447.34
6. Step 6: Final answer
   x = 2,978.00