Finding the Fourth Proportional to 105,711.40, 158,566.38 and 25,748.41

Step by Step Solution

1. Step 1: Write the proportion equation
   105,711.40 : 158,566.38 = 25,748.41 : x
2. Step 2: Convert to fraction form
   105,711.40/158,566.38 = 25,748.41/x
3. Step 3: Cross multiply
   105,711.40x = 158,566.38 × 25,748.41
4. Step 4: Simplify right side
   105,711.40x = 4,082,832,164.46
5. Step 5: Solve for x
   x = 4,082,832,164.46/105,711.40
6. Step 6: Final answer
   x = 38,622.44