Finding the Fourth Proportional to 36,808.29, 55,142.78 and 21,770.37

Step by Step Solution

1. Step 1: Write the proportion equation
   36,808.29 : 55,142.78 = 21,770.37 : x
2. Step 2: Convert to fraction form
   36,808.29/55,142.78 = 21,770.37/x
3. Step 3: Cross multiply
   36,808.29x = 55,142.78 × 21,770.37
4. Step 4: Simplify right side
   36,808.29x = 1,200,478,614.58
5. Step 5: Solve for x
   x = 1,200,478,614.58/36,808.29
6. Step 6: Final answer
   x = 32,614.35