Finding the Fourth Proportional to 22,139.40, 30,531.42 and 17,095.62

Step by Step Solution

1. Step 1: Write the proportion equation
   22,139.40 : 30,531.42 = 17,095.62 : x
2. Step 2: Convert to fraction form
   22,139.40/30,531.42 = 17,095.62/x
3. Step 3: Cross multiply
   22,139.40x = 30,531.42 × 17,095.62
4. Step 4: Simplify right side
   22,139.40x = 521,953,554.38
5. Step 5: Solve for x
   x = 521,953,554.38/22,139.40
6. Step 6: Final answer
   x = 23,575.78