Finding the Fourth Proportional to 55,305, 82,957.82 and 13,752

Step by Step Solution

1. Step 1: Write the proportion equation
   55,305 : 82,957.82 = 13,752 : x
2. Step 2: Convert to fraction form
   55,305/82,957.82 = 13,752/x
3. Step 3: Cross multiply
   55,305x = 82,957.82 × 13,752
4. Step 4: Simplify right side
   55,305x = 1,140,835,871.88
5. Step 5: Solve for x
   x = 1,140,835,871.88/55,305
6. Step 6: Final answer
   x = 20,628.08