Finding the Fourth Proportional to 73,085.09, 109,618.52 and 20,498.67

Step by Step Solution

1. Step 1: Write the proportion equation
   73,085.09 : 109,618.52 = 20,498.67 : x
2. Step 2: Convert to fraction form
   73,085.09/109,618.52 = 20,498.67/x
3. Step 3: Cross multiply
   73,085.09x = 109,618.52 × 20,498.67
4. Step 4: Simplify right side
   73,085.09x = 2,247,033,764.88
5. Step 5: Solve for x
   x = 2,247,033,764.88/73,085.09
6. Step 6: Final answer
   x = 30,745.45