Finding the Fourth Proportional to 22,467.84, 31,006.62 and 12,910.82

Step by Step Solution

1. Step 1: Write the proportion equation
   22,467.84 : 31,006.62 = 12,910.82 : x
2. Step 2: Convert to fraction form
   22,467.84/31,006.62 = 12,910.82/x
3. Step 3: Cross multiply
   22,467.84x = 31,006.62 × 12,910.82
4. Step 4: Simplify right side
   22,467.84x = 400,320,817.26
5. Step 5: Solve for x
   x = 400,320,817.26/22,467.84
6. Step 6: Final answer
   x = 17,817.51