Finding the Fourth Proportional to 120,443.12, 180,599.52 and 95,642.72

Step by Step Solution

1. Step 1: Write the proportion equation
   120,443.12 : 180,599.52 = 95,642.72 : x
2. Step 2: Convert to fraction form
   120,443.12/180,599.52 = 95,642.72/x
3. Step 3: Cross multiply
   120,443.12x = 180,599.52 × 95,642.72
4. Step 4: Simplify right side
   120,443.12x = 17,273,029,323.49
5. Step 5: Solve for x
   x = 17,273,029,323.49/120,443.12
6. Step 6: Final answer
   x = 143,412.34