Finding the Fourth Proportional to 10,418.37, 15,620.27 and 3,842.79

Step by Step Solution

1. Step 1: Write the proportion equation
   10,418.37 : 15,620.27 = 3,842.79 : x
2. Step 2: Convert to fraction form
   10,418.37/15,620.27 = 3,842.79/x
3. Step 3: Cross multiply
   10,418.37x = 15,620.27 × 3,842.79
4. Step 4: Simplify right side
   10,418.37x = 60,025,398.14
5. Step 5: Solve for x
   x = 60,025,398.14/10,418.37
6. Step 6: Final answer
   x = 5,761.50