Finding the Fourth Proportional to 22,983.76, 31,716.86 and 12,774.75

Step by Step Solution

1. Step 1: Write the proportion equation
   22,983.76 : 31,716.86 = 12,774.75 : x
2. Step 2: Convert to fraction form
   22,983.76/31,716.86 = 12,774.75/x
3. Step 3: Cross multiply
   22,983.76x = 31,716.86 × 12,774.75
4. Step 4: Simplify right side
   22,983.76x = 405,174,734.83
5. Step 5: Solve for x
   x = 405,174,734.83/22,983.76
6. Step 6: Final answer
   x = 17,628.74