Finding the Fourth Proportional to 23,155, 31,954.54 and 13,083.86

Step by Step Solution

1. Step 1: Write the proportion equation
   23,155 : 31,954.54 = 13,083.86 : x
2. Step 2: Convert to fraction form
   23,155/31,954.54 = 13,083.86/x
3. Step 3: Cross multiply
   23,155x = 31,954.54 × 13,083.86
4. Step 4: Simplify right side
   23,155x = 418,088,727.72
5. Step 5: Solve for x
   x = 418,088,727.72/23,155
6. Step 6: Final answer
   x = 18,056.09