Finding the Fourth Proportional to 38,540.37, 57,810.69 and 10,838.37

Step by Step Solution

1. Step 1: Write the proportion equation
   38,540.37 : 57,810.69 = 10,838.37 : x
2. Step 2: Convert to fraction form
   38,540.37/57,810.69 = 10,838.37/x
3. Step 3: Cross multiply
   38,540.37x = 57,810.69 × 10,838.37
4. Step 4: Simplify right side
   38,540.37x = 626,573,648.18
5. Step 5: Solve for x
   x = 626,573,648.18/38,540.37
6. Step 6: Final answer
   x = 16,257.59