Finding the Fourth Proportional to 55,300.70, 82,951.34 and 13,747.70

Step by Step Solution

1. Step 1: Write the proportion equation
   55,300.70 : 82,951.34 = 13,747.70 : x
2. Step 2: Convert to fraction form
   55,300.70/82,951.34 = 13,747.70/x
3. Step 3: Cross multiply
   55,300.70x = 82,951.34 × 13,747.70
4. Step 4: Simplify right side
   55,300.70x = 1,140,389,653.42
5. Step 5: Solve for x
   x = 1,140,389,653.42/55,300.70
6. Step 6: Final answer
   x = 20,621.62