Finding the Fourth Proportional to 23,789.77, 32,828.22 and 13,178.50

Step by Step Solution

1. Step 1: Write the proportion equation
   23,789.77 : 32,828.22 = 13,178.50 : x
2. Step 2: Convert to fraction form
   23,789.77/32,828.22 = 13,178.50/x
3. Step 3: Cross multiply
   23,789.77x = 32,828.22 × 13,178.50
4. Step 4: Simplify right side
   23,789.77x = 432,626,697.27
5. Step 5: Solve for x
   x = 432,626,697.27/23,789.77
6. Step 6: Final answer
   x = 18,185.41