Finding the Fourth Proportional to 12,298.60, 18,443.92 and 3,976.84

Step by Step Solution

1. Step 1: Write the proportion equation
   12,298.60 : 18,443.92 = 3,976.84 : x
2. Step 2: Convert to fraction form
   12,298.60/18,443.92 = 3,976.84/x
3. Step 3: Cross multiply
   12,298.60x = 18,443.92 × 3,976.84
4. Step 4: Simplify right side
   12,298.60x = 73,348,518.81
5. Step 5: Solve for x
   x = 73,348,518.81/12,298.60
6. Step 6: Final answer
   x = 5,963.97