Finding the Fourth Proportional to 23,683.37, 35,514.71 and 12,587.39

Step by Step Solution

1. Step 1: Write the proportion equation
   23,683.37 : 35,514.71 = 12,587.39 : x
2. Step 2: Convert to fraction form
   23,683.37/35,514.71 = 12,587.39/x
3. Step 3: Cross multiply
   23,683.37x = 35,514.71 × 12,587.39
4. Step 4: Simplify right side
   23,683.37x = 447,037,359.40
5. Step 5: Solve for x
   x = 447,037,359.40/23,683.37
6. Step 6: Final answer
   x = 18,875.58