Finding the Fourth Proportional to 35,976.96, 49,647.98 and 20,061.60

Step by Step Solution

1. Step 1: Write the proportion equation
   35,976.96 : 49,647.98 = 20,061.60 : x
2. Step 2: Convert to fraction form
   35,976.96/49,647.98 = 20,061.60/x
3. Step 3: Cross multiply
   35,976.96x = 49,647.98 × 20,061.60
4. Step 4: Simplify right side
   35,976.96x = 996,017,915.57
5. Step 5: Solve for x
   x = 996,017,915.57/35,976.96
6. Step 6: Final answer
   x = 27,684.88