Finding the Fourth Proportional to 22,929.31, 34,238.68 and 18,196.18

Step by Step Solution

1. Step 1: Write the proportion equation
   22,929.31 : 34,238.68 = 18,196.18 : x
2. Step 2: Convert to fraction form
   22,929.31/34,238.68 = 18,196.18/x
3. Step 3: Cross multiply
   22,929.31x = 34,238.68 × 18,196.18
4. Step 4: Simplify right side
   22,929.31x = 623,013,184.24
5. Step 5: Solve for x
   x = 623,013,184.24/22,929.31
6. Step 6: Final answer
   x = 27,171.04