Finding the Fourth Proportional to 78,295.94, 108,048.27 and 42,485.96

Step by Step Solution

1. Step 1: Write the proportion equation
   78,295.94 : 108,048.27 = 42,485.96 : x
2. Step 2: Convert to fraction form
   78,295.94/108,048.27 = 42,485.96/x
3. Step 3: Cross multiply
   78,295.94x = 108,048.27 × 42,485.96
4. Step 4: Simplify right side
   78,295.94x = 4,590,534,477.29
5. Step 5: Solve for x
   x = 4,590,534,477.29/78,295.94
6. Step 6: Final answer
   x = 58,630.56