Finding the Fourth Proportional to 144,828.67, 199,826.04 and 87,422.62

Step by Step Solution

1. Step 1: Write the proportion equation
   144,828.67 : 199,826.04 = 87,422.62 : x
2. Step 2: Convert to fraction form
   144,828.67/199,826.04 = 87,422.62/x
3. Step 3: Cross multiply
   144,828.67x = 199,826.04 × 87,422.62
4. Step 4: Simplify right side
   144,828.67x = 17,469,315,961.02
5. Step 5: Solve for x
   x = 17,469,315,961.02/144,828.67
6. Step 6: Final answer
   x = 120,620.56