Finding the Fourth Proportional to 22,384.31, 30,888.83 and 12,954.29

Step by Step Solution

1. Step 1: Write the proportion equation
   22,384.31 : 30,888.83 = 12,954.29 : x
2. Step 2: Convert to fraction form
   22,384.31/30,888.83 = 12,954.29/x
3. Step 3: Cross multiply
   22,384.31x = 30,888.83 × 12,954.29
4. Step 4: Simplify right side
   22,384.31x = 400,142,796.81
5. Step 5: Solve for x
   x = 400,142,796.81/22,384.31
6. Step 6: Final answer
   x = 17,876.04