Finding the Fourth Proportional to 109,945.44, 164,815.56 and 43,386.12

Step by Step Solution

1. Step 1: Write the proportion equation
   109,945.44 : 164,815.56 = 43,386.12 : x
2. Step 2: Convert to fraction form
   109,945.44/164,815.56 = 43,386.12/x
3. Step 3: Cross multiply
   109,945.44x = 164,815.56 × 43,386.12
4. Step 4: Simplify right side
   109,945.44x = 7,150,707,664.03
5. Step 5: Solve for x
   x = 7,150,707,664.03/109,945.44
6. Step 6: Final answer
   x = 65,038.69