Finding the Fourth Proportional to 10,411.74, 15,619.86 and 3,837.96

Step by Step Solution

1. Step 1: Write the proportion equation
   10,411.74 : 15,619.86 = 3,837.96 : x
2. Step 2: Convert to fraction form
   10,411.74/15,619.86 = 3,837.96/x
3. Step 3: Cross multiply
   10,411.74x = 15,619.86 × 3,837.96
4. Step 4: Simplify right side
   10,411.74x = 59,948,397.89
5. Step 5: Solve for x
   x = 59,948,397.89/10,411.74
6. Step 6: Final answer
   x = 5,757.77