Finding the Fourth Proportional to 78,033.72, 107,685.76 and 42,222.94

Step by Step Solution

1. Step 1: Write the proportion equation
   78,033.72 : 107,685.76 = 42,222.94 : x
2. Step 2: Convert to fraction form
   78,033.72/107,685.76 = 42,222.94/x
3. Step 3: Cross multiply
   78,033.72x = 107,685.76 × 42,222.94
4. Step 4: Simplify right side
   78,033.72x = 4,546,809,383.33
5. Step 5: Solve for x
   x = 4,546,809,383.33/78,033.72
6. Step 6: Final answer
   x = 58,267.24