Finding the Fourth Proportional to 55,432.48, 83,096.88 and 20,362.72

Step by Step Solution

1. Step 1: Write the proportion equation
   55,432.48 : 83,096.88 = 20,362.72 : x
2. Step 2: Convert to fraction form
   55,432.48/83,096.88 = 20,362.72/x
3. Step 3: Cross multiply
   55,432.48x = 83,096.88 × 20,362.72
4. Step 4: Simplify right side
   55,432.48x = 1,692,078,500.31
5. Step 5: Solve for x
   x = 1,692,078,500.31/55,432.48
6. Step 6: Final answer
   x = 30,525.04