Finding the Fourth Proportional to 78,943.64, 118,335.63 and 33,994.31

Step by Step Solution

1. Step 1: Write the proportion equation
   78,943.64 : 118,335.63 = 33,994.31 : x
2. Step 2: Convert to fraction form
   78,943.64/118,335.63 = 33,994.31/x
3. Step 3: Cross multiply
   78,943.64x = 118,335.63 × 33,994.31
4. Step 4: Simplify right side
   78,943.64x = 4,022,737,498.59
5. Step 5: Solve for x
   x = 4,022,737,498.59/78,943.64
6. Step 6: Final answer
   x = 50,957.08