Finding the Fourth Proportional to 25,915.34, 35,768.39 and 16,947.43

Step by Step Solution

1. Step 1: Write the proportion equation
   25,915.34 : 35,768.39 = 16,947.43 : x
2. Step 2: Convert to fraction form
   25,915.34/35,768.39 = 16,947.43/x
3. Step 3: Cross multiply
   25,915.34x = 35,768.39 × 16,947.43
4. Step 4: Simplify right side
   25,915.34x = 606,182,111.58
5. Step 5: Solve for x
   x = 606,182,111.58/25,915.34
6. Step 6: Final answer
   x = 23,390.86