Finding the Fourth Proportional to 23,467.69, 32,385.71 and 12,857.09

Step by Step Solution

1. Step 1: Write the proportion equation
   23,467.69 : 32,385.71 = 12,857.09 : x
2. Step 2: Convert to fraction form
   23,467.69/32,385.71 = 12,857.09/x
3. Step 3: Cross multiply
   23,467.69x = 32,385.71 × 12,857.09
4. Step 4: Simplify right side
   23,467.69x = 416,385,988.18
5. Step 5: Solve for x
   x = 416,385,988.18/23,467.69
6. Step 6: Final answer
   x = 17,742.95