Finding the Fourth Proportional to 48,284.48, 72,402.72 and 20,196

Step by Step Solution

1. Step 1: Write the proportion equation
   48,284.48 : 72,402.72 = 20,196 : x
2. Step 2: Convert to fraction form
   48,284.48/72,402.72 = 20,196/x
3. Step 3: Cross multiply
   48,284.48x = 72,402.72 × 20,196
4. Step 4: Simplify right side
   48,284.48x = 1,462,245,333.12
5. Step 5: Solve for x
   x = 1,462,245,333.12/48,284.48
6. Step 6: Final answer
   x = 30,283.96