Finding the Fourth Proportional to 105,078.29, 157,776.10 and 83,955.59

Step by Step Solution

1. Step 1: Write the proportion equation
   105,078.29 : 157,776.10 = 83,955.59 : x
2. Step 2: Convert to fraction form
   105,078.29/157,776.10 = 83,955.59/x
3. Step 3: Cross multiply
   105,078.29x = 157,776.10 × 83,955.59
4. Step 4: Simplify right side
   105,078.29x = 13,246,185,628.54
5. Step 5: Solve for x
   x = 13,246,185,628.54/105,078.29
6. Step 6: Final answer
   x = 126,060.16