Finding the Fourth Proportional to 5,441, 8,164.72 and 1,978.52

Step by Step Solution

1. Step 1: Write the proportion equation
   5,441 : 8,164.72 = 1,978.52 : x
2. Step 2: Convert to fraction form
   5,441/8,164.72 = 1,978.52/x
3. Step 3: Cross multiply
   5,441x = 8,164.72 × 1,978.52
4. Step 4: Simplify right side
   5,441x = 16,154,061.81
5. Step 5: Solve for x
   x = 16,154,061.81/5,441
6. Step 6: Final answer
   x = 2,968.95