Finding the Fourth Proportional to 105,483.51, 145,587.99 and 79,945.33

Step by Step Solution

1. Step 1: Write the proportion equation
   105,483.51 : 145,587.99 = 79,945.33 : x
2. Step 2: Convert to fraction form
   105,483.51/145,587.99 = 79,945.33/x
3. Step 3: Cross multiply
   105,483.51x = 145,587.99 × 79,945.33
4. Step 4: Simplify right side
   105,483.51x = 11,639,079,904.59
5. Step 5: Solve for x
   x = 11,639,079,904.59/105,483.51
6. Step 6: Final answer
   x = 110,340.28