Finding the Fourth Proportional to 22,046.76, 30,422.42 and 12,487.08

Step by Step Solution

1. Step 1: Write the proportion equation
   22,046.76 : 30,422.42 = 12,487.08 : x
2. Step 2: Convert to fraction form
   22,046.76/30,422.42 = 12,487.08/x
3. Step 3: Cross multiply
   22,046.76x = 30,422.42 × 12,487.08
4. Step 4: Simplify right side
   22,046.76x = 379,887,192.33
5. Step 5: Solve for x
   x = 379,887,192.33/22,046.76
6. Step 6: Final answer
   x = 17,230.98