Finding the Fourth Proportional to 78,277.15, 108,022.67 and 42,467.16

Step by Step Solution

1. Step 1: Write the proportion equation
   78,277.15 : 108,022.67 = 42,467.16 : x
2. Step 2: Convert to fraction form
   78,277.15/108,022.67 = 42,467.16/x
3. Step 3: Cross multiply
   78,277.15x = 108,022.67 × 42,467.16
4. Step 4: Simplify right side
   78,277.15x = 4,587,416,010.52
5. Step 5: Solve for x
   x = 4,587,416,010.52/78,277.15
6. Step 6: Final answer
   x = 58,604.79