Finding the Fourth Proportional to 8,826.74, 13,236.59 and 3,892.88

Step by Step Solution

1. Step 1: Write the proportion equation
   8,826.74 : 13,236.59 = 3,892.88 : x
2. Step 2: Convert to fraction form
   8,826.74/13,236.59 = 3,892.88/x
3. Step 3: Cross multiply
   8,826.74x = 13,236.59 × 3,892.88
4. Step 4: Simplify right side
   8,826.74x = 51,528,370.83
5. Step 5: Solve for x
   x = 51,528,370.83/8,826.74
6. Step 6: Final answer
   x = 5,837.76