Finding the Fourth Proportional to 123,190.20, 184,662.18 and 56,601.72

Step by Step Solution

1. Step 1: Write the proportion equation
   123,190.20 : 184,662.18 = 56,601.72 : x
2. Step 2: Convert to fraction form
   123,190.20/184,662.18 = 56,601.72/x
3. Step 3: Cross multiply
   123,190.20x = 184,662.18 × 56,601.72
4. Step 4: Simplify right side
   123,190.20x = 10,452,197,006.95
5. Step 5: Solve for x
   x = 10,452,197,006.95/123,190.20
6. Step 6: Final answer
   x = 84,846.01