Finding the Fourth Proportional to 21,636.59, 32,458.83 and 9,949.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,636.59 : 32,458.83 = 9,949.50 : x
2. Step 2: Convert to fraction form
   21,636.59/32,458.83 = 9,949.50/x
3. Step 3: Cross multiply
   21,636.59x = 32,458.83 × 9,949.50
4. Step 4: Simplify right side
   21,636.59x = 322,949,091.77
5. Step 5: Solve for x
   x = 322,949,091.77/21,636.59
6. Step 6: Final answer
   x = 14,926.07