Finding the Fourth Proportional to 78,538.37, 108,380.48 and 42,727.46

Step by Step Solution

1. Step 1: Write the proportion equation
   78,538.37 : 108,380.48 = 42,727.46 : x
2. Step 2: Convert to fraction form
   78,538.37/108,380.48 = 42,727.46/x
3. Step 3: Cross multiply
   78,538.37x = 108,380.48 × 42,727.46
4. Step 4: Simplify right side
   78,538.37x = 4,630,821,868.44
5. Step 5: Solve for x
   x = 4,630,821,868.44/78,538.37
6. Step 6: Final answer
   x = 58,962.54