Finding the Fourth Proportional to 22,445, 30,974.09 and 12,373.61

Step by Step Solution

1. Step 1: Write the proportion equation
   22,445 : 30,974.09 = 12,373.61 : x
2. Step 2: Convert to fraction form
   22,445/30,974.09 = 12,373.61/x
3. Step 3: Cross multiply
   22,445x = 30,974.09 × 12,373.61
4. Step 4: Simplify right side
   22,445x = 383,261,309.76
5. Step 5: Solve for x
   x = 383,261,309.76/22,445
6. Step 6: Final answer
   x = 17,075.58