Finding the Fourth Proportional to 42,648.50, 58,851.28 and 27,541.80

Step by Step Solution

1. Step 1: Write the proportion equation
   42,648.50 : 58,851.28 = 27,541.80 : x
2. Step 2: Convert to fraction form
   42,648.50/58,851.28 = 27,541.80/x
3. Step 3: Cross multiply
   42,648.50x = 58,851.28 × 27,541.80
4. Step 4: Simplify right side
   42,648.50x = 1,620,870,183.50
5. Step 5: Solve for x
   x = 1,620,870,183.50/42,648.50
6. Step 6: Final answer
   x = 38,005.33