Finding the Fourth Proportional to 111,305.81, 166,956.94 and 35,403.25

Step by Step Solution

1. Step 1: Write the proportion equation
   111,305.81 : 166,956.94 = 35,403.25 : x
2. Step 2: Convert to fraction form
   111,305.81/166,956.94 = 35,403.25/x
3. Step 3: Cross multiply
   111,305.81x = 166,956.94 × 35,403.25
4. Step 4: Simplify right side
   111,305.81x = 5,910,818,026.82
5. Step 5: Solve for x
   x = 5,910,818,026.82/111,305.81
6. Step 6: Final answer
   x = 53,104.31