Finding the Fourth Proportional to 22,195.42, 30,630.59 and 12,763.98

Step by Step Solution

1. Step 1: Write the proportion equation
   22,195.42 : 30,630.59 = 12,763.98 : x
2. Step 2: Convert to fraction form
   22,195.42/30,630.59 = 12,763.98/x
3. Step 3: Cross multiply
   22,195.42x = 30,630.59 × 12,763.98
4. Step 4: Simplify right side
   22,195.42x = 390,968,238.15
5. Step 5: Solve for x
   x = 390,968,238.15/22,195.42
6. Step 6: Final answer
   x = 17,614.82