Finding the Fourth Proportional to 23,467.88, 32,385.71 and 12,857.51

Step by Step Solution

1. Step 1: Write the proportion equation
   23,467.88 : 32,385.71 = 12,857.51 : x
2. Step 2: Convert to fraction form
   23,467.88/32,385.71 = 12,857.51/x
3. Step 3: Cross multiply
   23,467.88x = 32,385.71 × 12,857.51
4. Step 4: Simplify right side
   23,467.88x = 416,399,703.29
5. Step 5: Solve for x
   x = 416,399,703.29/23,467.88
6. Step 6: Final answer
   x = 17,743.39