Finding the Fourth Proportional to 55,719.72, 83,524.50 and 20,649.96

Step by Step Solution

1. Step 1: Write the proportion equation
   55,719.72 : 83,524.50 = 20,649.96 : x
2. Step 2: Convert to fraction form
   55,719.72/83,524.50 = 20,649.96/x
3. Step 3: Cross multiply
   55,719.72x = 83,524.50 × 20,649.96
4. Step 4: Simplify right side
   55,719.72x = 1,724,777,584.02
5. Step 5: Solve for x
   x = 1,724,777,584.02/55,719.72
6. Step 6: Final answer
   x = 30,954.53