Finding the Fourth Proportional to 23,787.16, 32,826.56 and 13,177

Step by Step Solution

1. Step 1: Write the proportion equation
   23,787.16 : 32,826.56 = 13,177 : x
2. Step 2: Convert to fraction form
   23,787.16/32,826.56 = 13,177/x
3. Step 3: Cross multiply
   23,787.16x = 32,826.56 × 13,177
4. Step 4: Simplify right side
   23,787.16x = 432,555,581.12
5. Step 5: Solve for x
   x = 432,555,581.12/23,787.16
6. Step 6: Final answer
   x = 18,184.41