Finding the Fourth Proportional to 22,077.80, 30,466.73 and 12,518.61

Step by Step Solution

1. Step 1: Write the proportion equation
   22,077.80 : 30,466.73 = 12,518.61 : x
2. Step 2: Convert to fraction form
   22,077.80/30,466.73 = 12,518.61/x
3. Step 3: Cross multiply
   22,077.80x = 30,466.73 × 12,518.61
4. Step 4: Simplify right side
   22,077.80x = 381,401,142.14
5. Step 5: Solve for x
   x = 381,401,142.14/22,077.80
6. Step 6: Final answer
   x = 17,275.32