Finding the Fourth Proportional to 12,848.15, 19,273.17 and 5,451.77

Step by Step Solution

1. Step 1: Write the proportion equation
   12,848.15 : 19,273.17 = 5,451.77 : x
2. Step 2: Convert to fraction form
   12,848.15/19,273.17 = 5,451.77/x
3. Step 3: Cross multiply
   12,848.15x = 19,273.17 × 5,451.77
4. Step 4: Simplify right side
   12,848.15x = 105,072,890.01
5. Step 5: Solve for x
   x = 105,072,890.01/12,848.15
6. Step 6: Final answer
   x = 8,178.06