Finding the Fourth Proportional to 23,496.77, 32,425.56 and 12,886.65

Step by Step Solution

1. Step 1: Write the proportion equation
   23,496.77 : 32,425.56 = 12,886.65 : x
2. Step 2: Convert to fraction form
   23,496.77/32,425.56 = 12,886.65/x
3. Step 3: Cross multiply
   23,496.77x = 32,425.56 × 12,886.65
4. Step 4: Simplify right side
   23,496.77x = 417,856,842.77
5. Step 5: Solve for x
   x = 417,856,842.77/23,496.77
6. Step 6: Final answer
   x = 17,783.59