Finding the Fourth Proportional to 23,054.37, 31,815.59 and 12,983.16

Step by Step Solution

1. Step 1: Write the proportion equation
   23,054.37 : 31,815.59 = 12,983.16 : x
2. Step 2: Convert to fraction form
   23,054.37/31,815.59 = 12,983.16/x
3. Step 3: Cross multiply
   23,054.37x = 31,815.59 × 12,983.16
4. Step 4: Simplify right side
   23,054.37x = 413,066,895.46
5. Step 5: Solve for x
   x = 413,066,895.46/23,054.37
6. Step 6: Final answer
   x = 17,917.08