Finding the Fourth Proportional to 43,168.56, 64,752.96 and 12,003.84

Step by Step Solution

1. Step 1: Write the proportion equation
   43,168.56 : 64,752.96 = 12,003.84 : x
2. Step 2: Convert to fraction form
   43,168.56/64,752.96 = 12,003.84/x
3. Step 3: Cross multiply
   43,168.56x = 64,752.96 × 12,003.84
4. Step 4: Simplify right side
   43,168.56x = 777,284,171.37
5. Step 5: Solve for x
   x = 777,284,171.37/43,168.56
6. Step 6: Final answer
   x = 18,005.79