Finding the Fourth Proportional to 22,443.95, 30,972.11 and 12,372.18

Step by Step Solution

1. Step 1: Write the proportion equation
   22,443.95 : 30,972.11 = 12,372.18 : x
2. Step 2: Convert to fraction form
   22,443.95/30,972.11 = 12,372.18/x
3. Step 3: Cross multiply
   22,443.95x = 30,972.11 × 12,372.18
4. Step 4: Simplify right side
   22,443.95x = 383,192,341.89
5. Step 5: Solve for x
   x = 383,192,341.89/22,443.95
6. Step 6: Final answer
   x = 17,073.30