Finding the Fourth Proportional to 53,492.82, 80,182.34 and 20,198.72

Step by Step Solution

1. Step 1: Write the proportion equation
   53,492.82 : 80,182.34 = 20,198.72 : x
2. Step 2: Convert to fraction form
   53,492.82/80,182.34 = 20,198.72/x
3. Step 3: Cross multiply
   53,492.82x = 80,182.34 × 20,198.72
4. Step 4: Simplify right side
   53,492.82x = 1,619,580,634.60
5. Step 5: Solve for x
   x = 1,619,580,634.60/53,492.82
6. Step 6: Final answer
   x = 30,276.60