Finding the Fourth Proportional to 23,118.54, 31,903.59 and 12,508.14

Step by Step Solution

1. Step 1: Write the proportion equation
   23,118.54 : 31,903.59 = 12,508.14 : x
2. Step 2: Convert to fraction form
   23,118.54/31,903.59 = 12,508.14/x
3. Step 3: Cross multiply
   23,118.54x = 31,903.59 × 12,508.14
4. Step 4: Simplify right side
   23,118.54x = 399,054,570.22
5. Step 5: Solve for x
   x = 399,054,570.22/23,118.54
6. Step 6: Final answer
   x = 17,261.24