Finding the Fourth Proportional to 42,399.36, 58,538 and 27,297.60

Step by Step Solution

1. Step 1: Write the proportion equation
   42,399.36 : 58,538 = 27,297.60 : x
2. Step 2: Convert to fraction form
   42,399.36/58,538 = 27,297.60/x
3. Step 3: Cross multiply
   42,399.36x = 58,538 × 27,297.60
4. Step 4: Simplify right side
   42,399.36x = 1,597,946,908.80
5. Step 5: Solve for x
   x = 1,597,946,908.80/42,399.36
6. Step 6: Final answer
   x = 37,688.00