Finding the Fourth Proportional to 12,674.34, 19,016.37 and 5,276.81

Step by Step Solution

1. Step 1: Write the proportion equation
   12,674.34 : 19,016.37 = 5,276.81 : x
2. Step 2: Convert to fraction form
   12,674.34/19,016.37 = 5,276.81/x
3. Step 3: Cross multiply
   12,674.34x = 19,016.37 × 5,276.81
4. Step 4: Simplify right side
   12,674.34x = 100,345,818.92
5. Step 5: Solve for x
   x = 100,345,818.92/12,674.34
6. Step 6: Final answer
   x = 7,917.24