Finding the Fourth Proportional to 78,768.63, 118,176.42 and 36,673.59

Step by Step Solution

1. Step 1: Write the proportion equation
   78,768.63 : 118,176.42 = 36,673.59 : x
2. Step 2: Convert to fraction form
   78,768.63/118,176.42 = 36,673.59/x
3. Step 3: Cross multiply
   78,768.63x = 118,176.42 × 36,673.59
4. Step 4: Simplify right side
   78,768.63x = 4,333,953,574.75
5. Step 5: Solve for x
   x = 4,333,953,574.75/78,768.63
6. Step 6: Final answer
   x = 55,021.31