Finding the Fourth Proportional to 123,629.94, 185,292.90 and 56,977.56

Step by Step Solution

1. Step 1: Write the proportion equation
   123,629.94 : 185,292.90 = 56,977.56 : x
2. Step 2: Convert to fraction form
   123,629.94/185,292.90 = 56,977.56/x
3. Step 3: Cross multiply
   123,629.94x = 185,292.90 × 56,977.56
4. Step 4: Simplify right side
   123,629.94x = 10,557,537,327.32
5. Step 5: Solve for x
   x = 10,557,537,327.32/123,629.94
6. Step 6: Final answer
   x = 85,396.28