Finding the Fourth Proportional to 38,911.59, 58,385.61 and 19,179.38

Step by Step Solution

1. Step 1: Write the proportion equation
   38,911.59 : 58,385.61 = 19,179.38 : x
2. Step 2: Convert to fraction form
   38,911.59/58,385.61 = 19,179.38/x
3. Step 3: Cross multiply
   38,911.59x = 58,385.61 × 19,179.38
4. Step 4: Simplify right side
   38,911.59x = 1,119,799,800.72
5. Step 5: Solve for x
   x = 1,119,799,800.72/38,911.59
6. Step 6: Final answer
   x = 28,778.05