Finding the Fourth Proportional to 3,905.62, 5,859.86 and 1,826.30

Step by Step Solution

1. Step 1: Write the proportion equation
   3,905.62 : 5,859.86 = 1,826.30 : x
2. Step 2: Convert to fraction form
   3,905.62/5,859.86 = 1,826.30/x
3. Step 3: Cross multiply
   3,905.62x = 5,859.86 × 1,826.30
4. Step 4: Simplify right side
   3,905.62x = 10,701,837.58
5. Step 5: Solve for x
   x = 10,701,837.58/3,905.62
6. Step 6: Final answer
   x = 2,740.11