Finding the Fourth Proportional to 123,375.05, 185,034.89 and 56,751.20

Step by Step Solution

1. Step 1: Write the proportion equation
   123,375.05 : 185,034.89 = 56,751.20 : x
2. Step 2: Convert to fraction form
   123,375.05/185,034.89 = 56,751.20/x
3. Step 3: Cross multiply
   123,375.05x = 185,034.89 × 56,751.20
4. Step 4: Simplify right side
   123,375.05x = 10,500,950,840.44
5. Step 5: Solve for x
   x = 10,500,950,840.44/123,375.05
6. Step 6: Final answer
   x = 85,114.06