Finding the Fourth Proportional to 55,300.55, 82,951.13 and 13,747.55

Step by Step Solution

1. Step 1: Write the proportion equation
   55,300.55 : 82,951.13 = 13,747.55 : x
2. Step 2: Convert to fraction form
   55,300.55/82,951.13 = 13,747.55/x
3. Step 3: Cross multiply
   55,300.55x = 82,951.13 × 13,747.55
4. Step 4: Simplify right side
   55,300.55x = 1,140,374,426.84
5. Step 5: Solve for x
   x = 1,140,374,426.84/55,300.55
6. Step 6: Final answer
   x = 20,621.40