Finding the Fourth Proportional to 78,676.25, 108,571.86 and 42,866.52

Step by Step Solution

1. Step 1: Write the proportion equation
   78,676.25 : 108,571.86 = 42,866.52 : x
2. Step 2: Convert to fraction form
   78,676.25/108,571.86 = 42,866.52/x
3. Step 3: Cross multiply
   78,676.25x = 108,571.86 × 42,866.52
4. Step 4: Simplify right side
   78,676.25x = 4,654,097,808.13
5. Step 5: Solve for x
   x = 4,654,097,808.13/78,676.25
6. Step 6: Final answer
   x = 59,155.05