Finding the Fourth Proportional to 104,843.63, 144,690.27 and 78,955.83

Step by Step Solution

1. Step 1: Write the proportion equation
   104,843.63 : 144,690.27 = 78,955.83 : x
2. Step 2: Convert to fraction form
   104,843.63/144,690.27 = 78,955.83/x
3. Step 3: Cross multiply
   104,843.63x = 144,690.27 × 78,955.83
4. Step 4: Simplify right side
   104,843.63x = 11,424,140,064.69
5. Step 5: Solve for x
   x = 11,424,140,064.69/104,843.63
6. Step 6: Final answer
   x = 108,963.60