Finding the Fourth Proportional to 10,411.09, 15,618.72 and 3,837.31

Step by Step Solution

1. Step 1: Write the proportion equation
   10,411.09 : 15,618.72 = 3,837.31 : x
2. Step 2: Convert to fraction form
   10,411.09/15,618.72 = 3,837.31/x
3. Step 3: Cross multiply
   10,411.09x = 15,618.72 × 3,837.31
4. Step 4: Simplify right side
   10,411.09x = 59,933,870.44
5. Step 5: Solve for x
   x = 59,933,870.44/10,411.09
6. Step 6: Final answer
   x = 5,756.73