Finding the Fourth Proportional to 55,621.30, 83,395.10 and 30,673.30

Step by Step Solution

1. Step 1: Write the proportion equation
   55,621.30 : 83,395.10 = 30,673.30 : x
2. Step 2: Convert to fraction form
   55,621.30/83,395.10 = 30,673.30/x
3. Step 3: Cross multiply
   55,621.30x = 83,395.10 × 30,673.30
4. Step 4: Simplify right side
   55,621.30x = 2,558,002,920.83
5. Step 5: Solve for x
   x = 2,558,002,920.83/55,621.30
6. Step 6: Final answer
   x = 45,989.63