Finding the Fourth Proportional to 38,558.16, 57,845.76 and 16,390.49

Step by Step Solution

1. Step 1: Write the proportion equation
   38,558.16 : 57,845.76 = 16,390.49 : x
2. Step 2: Convert to fraction form
   38,558.16/57,845.76 = 16,390.49/x
3. Step 3: Cross multiply
   38,558.16x = 57,845.76 × 16,390.49
4. Step 4: Simplify right side
   38,558.16x = 948,120,061.59
5. Step 5: Solve for x
   x = 948,120,061.59/38,558.16
6. Step 6: Final answer
   x = 24,589.35