Finding the Fourth Proportional to 22,384.17, 30,878.15 and 13,425.84

Step by Step Solution

1. Step 1: Write the proportion equation
   22,384.17 : 30,878.15 = 13,425.84 : x
2. Step 2: Convert to fraction form
   22,384.17/30,878.15 = 13,425.84/x
3. Step 3: Cross multiply
   22,384.17x = 30,878.15 × 13,425.84
4. Step 4: Simplify right side
   22,384.17x = 414,565,034.27
5. Step 5: Solve for x
   x = 414,565,034.27/22,384.17
6. Step 6: Final answer
   x = 18,520.46