Finding the Fourth Proportional to 78,942.58, 108,939.48 and 43,131.82

Step by Step Solution

1. Step 1: Write the proportion equation
   78,942.58 : 108,939.48 = 43,131.82 : x
2. Step 2: Convert to fraction form
   78,942.58/108,939.48 = 43,131.82/x
3. Step 3: Cross multiply
   78,942.58x = 108,939.48 × 43,131.82
4. Step 4: Simplify right side
   78,942.58x = 4,698,758,042.25
5. Step 5: Solve for x
   x = 4,698,758,042.25/78,942.58
6. Step 6: Final answer
   x = 59,521.21