Finding the Fourth Proportional to 23,054.53, 31,814.93 and 12,983.09

Step by Step Solution

1. Step 1: Write the proportion equation
   23,054.53 : 31,814.93 = 12,983.09 : x
2. Step 2: Convert to fraction form
   23,054.53/31,814.93 = 12,983.09/x
3. Step 3: Cross multiply
   23,054.53x = 31,814.93 × 12,983.09
4. Step 4: Simplify right side
   23,054.53x = 413,056,099.53
5. Step 5: Solve for x
   x = 413,056,099.53/23,054.53
6. Step 6: Final answer
   x = 17,916.48