Finding the Fourth Proportional to 22,982.59, 31,716.10 and 12,911.46

Step by Step Solution

1. Step 1: Write the proportion equation
   22,982.59 : 31,716.10 = 12,911.46 : x
2. Step 2: Convert to fraction form
   22,982.59/31,716.10 = 12,911.46/x
3. Step 3: Cross multiply
   22,982.59x = 31,716.10 × 12,911.46
4. Step 4: Simplify right side
   22,982.59x = 409,501,156.51
5. Step 5: Solve for x
   x = 409,501,156.51/22,982.59
6. Step 6: Final answer
   x = 17,817.89