Finding the Fourth Proportional to 38,111.64, 57,204.42 and 18,404.04

Step by Step Solution

1. Step 1: Write the proportion equation
   38,111.64 : 57,204.42 = 18,404.04 : x
2. Step 2: Convert to fraction form
   38,111.64/57,204.42 = 18,404.04/x
3. Step 3: Cross multiply
   38,111.64x = 57,204.42 × 18,404.04
4. Step 4: Simplify right side
   38,111.64x = 1,052,792,433.86
5. Step 5: Solve for x
   x = 1,052,792,433.86/38,111.64
6. Step 6: Final answer
   x = 27,623.91