Finding the Fourth Proportional to 38,818.65, 58,224.72 and 10,739.05

Step by Step Solution

1. Step 1: Write the proportion equation
   38,818.65 : 58,224.72 = 10,739.05 : x
2. Step 2: Convert to fraction form
   38,818.65/58,224.72 = 10,739.05/x
3. Step 3: Cross multiply
   38,818.65x = 58,224.72 × 10,739.05
4. Step 4: Simplify right side
   38,818.65x = 625,278,401.54
5. Step 5: Solve for x
   x = 625,278,401.54/38,818.65
6. Step 6: Final answer
   x = 16,107.68