Finding the Fourth Proportional to 23,826.45, 32,876.99 and 13,216.16

Step by Step Solution

1. Step 1: Write the proportion equation
   23,826.45 : 32,876.99 = 13,216.16 : x
2. Step 2: Convert to fraction form
   23,826.45/32,876.99 = 13,216.16/x
3. Step 3: Cross multiply
   23,826.45x = 32,876.99 × 13,216.16
4. Step 4: Simplify right side
   23,826.45x = 434,507,625.83
5. Step 5: Solve for x
   x = 434,507,625.83/23,826.45
6. Step 6: Final answer
   x = 18,236.35