Finding the Fourth Proportional to 55,617.30, 83,389.10 and 30,669.30

Step by Step Solution

1. Step 1: Write the proportion equation
   55,617.30 : 83,389.10 = 30,669.30 : x
2. Step 2: Convert to fraction form
   55,617.30/83,389.10 = 30,669.30/x
3. Step 3: Cross multiply
   55,617.30x = 83,389.10 × 30,669.30
4. Step 4: Simplify right side
   55,617.30x = 2,557,485,171.28
5. Step 5: Solve for x
   x = 2,557,485,171.28/55,617.30
6. Step 6: Final answer
   x = 45,983.63