Finding the Fourth Proportional to 22,477.50, 30,793.77 and 21,636.18

Step by Step Solution

1. Step 1: Write the proportion equation
   22,477.50 : 30,793.77 = 21,636.18 : x
2. Step 2: Convert to fraction form
   22,477.50/30,793.77 = 21,636.18/x
3. Step 3: Cross multiply
   22,477.50x = 30,793.77 × 21,636.18
4. Step 4: Simplify right side
   22,477.50x = 666,259,550.60
5. Step 5: Solve for x
   x = 666,259,550.60/22,477.50
6. Step 6: Final answer
   x = 29,641.18