Finding the Fourth Proportional to 120,447.12, 180,605.52 and 95,646.72

Step by Step Solution

1. Step 1: Write the proportion equation
   120,447.12 : 180,605.52 = 95,646.72 : x
2. Step 2: Convert to fraction form
   120,447.12/180,605.52 = 95,646.72/x
3. Step 3: Cross multiply
   120,447.12x = 180,605.52 × 95,646.72
4. Step 4: Simplify right side
   120,447.12x = 17,274,325,601.89
5. Step 5: Solve for x
   x = 17,274,325,601.89/120,447.12
6. Step 6: Final answer
   x = 143,418.34