Finding the Fourth Proportional to 12,847.04, 19,273.48 and 5,451.76

Step by Step Solution

1. Step 1: Write the proportion equation
   12,847.04 : 19,273.48 = 5,451.76 : x
2. Step 2: Convert to fraction form
   12,847.04/19,273.48 = 5,451.76/x
3. Step 3: Cross multiply
   12,847.04x = 19,273.48 × 5,451.76
4. Step 4: Simplify right side
   12,847.04x = 105,074,387.32
5. Step 5: Solve for x
   x = 105,074,387.32/12,847.04
6. Step 6: Final answer
   x = 8,178.88