Finding the Fourth Proportional to 78,676.00, 108,571.51 and 42,866.27

Step by Step Solution

1. Step 1: Write the proportion equation
   78,676.00 : 108,571.51 = 42,866.27 : x
2. Step 2: Convert to fraction form
   78,676.00/108,571.51 = 42,866.27/x
3. Step 3: Cross multiply
   78,676.00x = 108,571.51 × 42,866.27
4. Step 4: Simplify right side
   78,676.00x = 4,654,055,986.98
5. Step 5: Solve for x
   x = 4,654,055,986.98/78,676.00
6. Step 6: Final answer
   x = 59,154.71