Finding the Fourth Proportional to 36,611.29, 50,521.98 and 21,505.50

Step by Step Solution

1. Step 1: Write the proportion equation
   36,611.29 : 50,521.98 = 21,505.50 : x
2. Step 2: Convert to fraction form
   36,611.29/50,521.98 = 21,505.50/x
3. Step 3: Cross multiply
   36,611.29x = 50,521.98 × 21,505.50
4. Step 4: Simplify right side
   36,611.29x = 1,086,500,400.57
5. Step 5: Solve for x
   x = 1,086,500,400.57/36,611.29
6. Step 6: Final answer
   x = 29,676.65