Finding the Fourth Proportional to 23,035, 31,788.44 and 12,963.61

Step by Step Solution

1. Step 1: Write the proportion equation
   23,035 : 31,788.44 = 12,963.61 : x
2. Step 2: Convert to fraction form
   23,035/31,788.44 = 12,963.61/x
3. Step 3: Cross multiply
   23,035x = 31,788.44 × 12,963.61
4. Step 4: Simplify right side
   23,035x = 412,092,938.67
5. Step 5: Solve for x
   x = 412,092,938.67/23,035
6. Step 6: Final answer
   x = 17,889.86