Finding the Fourth Proportional to 159,034.88, 219,469.37 and 87,416.10

Step by Step Solution

1. Step 1: Write the proportion equation
   159,034.88 : 219,469.37 = 87,416.10 : x
2. Step 2: Convert to fraction form
   159,034.88/219,469.37 = 87,416.10/x
3. Step 3: Cross multiply
   159,034.88x = 219,469.37 × 87,416.10
4. Step 4: Simplify right side
   159,034.88x = 19,185,155,957.78
5. Step 5: Solve for x
   x = 19,185,155,957.78/159,034.88
6. Step 6: Final answer
   x = 120,634.89