Finding the Fourth Proportional to 22,384.71, 30,878.01 and 13,427.01

Step by Step Solution

1. Step 1: Write the proportion equation
   22,384.71 : 30,878.01 = 13,427.01 : x
2. Step 2: Convert to fraction form
   22,384.71/30,878.01 = 13,427.01/x
3. Step 3: Cross multiply
   22,384.71x = 30,878.01 × 13,427.01
4. Step 4: Simplify right side
   22,384.71x = 414,599,349.05
5. Step 5: Solve for x
   x = 414,599,349.05/22,384.71
6. Step 6: Final answer
   x = 18,521.54