Finding the Fourth Proportional to 35,718.52, 49,291.16 and 20,611

Step by Step Solution

1. Step 1: Write the proportion equation
   35,718.52 : 49,291.16 = 20,611 : x
2. Step 2: Convert to fraction form
   35,718.52/49,291.16 = 20,611/x
3. Step 3: Cross multiply
   35,718.52x = 49,291.16 × 20,611
4. Step 4: Simplify right side
   35,718.52x = 1,015,940,098.76
5. Step 5: Solve for x
   x = 1,015,940,098.76/35,718.52
6. Step 6: Final answer
   x = 28,442.95