Finding the Fourth Proportional to 105,900.01, 146,236.94 and 78,995.81

Step by Step Solution

1. Step 1: Write the proportion equation
   105,900.01 : 146,236.94 = 78,995.81 : x
2. Step 2: Convert to fraction form
   105,900.01/146,236.94 = 78,995.81/x
3. Step 3: Cross multiply
   105,900.01x = 146,236.94 × 78,995.81
4. Step 4: Simplify right side
   105,900.01x = 11,552,105,415.84
5. Step 5: Solve for x
   x = 11,552,105,415.84/105,900.01
6. Step 6: Final answer
   x = 109,085.03