Finding the Fourth Proportional to 23,052.59, 31,815.60 and 12,983.00

Step by Step Solution

1. Step 1: Write the proportion equation
   23,052.59 : 31,815.60 = 12,983.00 : x
2. Step 2: Convert to fraction form
   23,052.59/31,815.60 = 12,983.00/x
3. Step 3: Cross multiply
   23,052.59x = 31,815.60 × 12,983.00
4. Step 4: Simplify right side
   23,052.59x = 413,061,943.72
5. Step 5: Solve for x
   x = 413,061,943.72/23,052.59
6. Step 6: Final answer
   x = 17,918.25