Finding the Fourth Proportional to 30,085.71, 41,522.88 and 18,757.05

Step by Step Solution

1. Step 1: Write the proportion equation
   30,085.71 : 41,522.88 = 18,757.05 : x
2. Step 2: Convert to fraction form
   30,085.71/41,522.88 = 18,757.05/x
3. Step 3: Cross multiply
   30,085.71x = 41,522.88 × 18,757.05
4. Step 4: Simplify right side
   30,085.71x = 778,846,736.30
5. Step 5: Solve for x
   x = 778,846,736.30/30,085.71
6. Step 6: Final answer
   x = 25,887.60