Finding the Fourth Proportional to 55,480.56, 83,218.68 and 30,570

Step by Step Solution

1. Step 1: Write the proportion equation
   55,480.56 : 83,218.68 = 30,570 : x
2. Step 2: Convert to fraction form
   55,480.56/83,218.68 = 30,570/x
3. Step 3: Cross multiply
   55,480.56x = 83,218.68 × 30,570
4. Step 4: Simplify right side
   55,480.56x = 2,543,995,047.60
5. Step 5: Solve for x
   x = 2,543,995,047.60/55,480.56
6. Step 6: Final answer
   x = 45,853.81