Finding the Fourth Proportional to 78,277.41, 108,022.55 and 42,466.77

Step by Step Solution

1. Step 1: Write the proportion equation
   78,277.41 : 108,022.55 = 42,466.77 : x
2. Step 2: Convert to fraction form
   78,277.41/108,022.55 = 42,466.77/x
3. Step 3: Cross multiply
   78,277.41x = 108,022.55 × 42,466.77
4. Step 4: Simplify right side
   78,277.41x = 4,587,368,573.33
5. Step 5: Solve for x
   x = 4,587,368,573.33/78,277.41
6. Step 6: Final answer
   x = 58,603.99