Finding the Fourth Proportional to 158,900.10, 219,283.72 and 86,304.41

Step by Step Solution

1. Step 1: Write the proportion equation
   158,900.10 : 219,283.72 = 86,304.41 : x
2. Step 2: Convert to fraction form
   158,900.10/219,283.72 = 86,304.41/x
3. Step 3: Cross multiply
   158,900.10x = 219,283.72 × 86,304.41
4. Step 4: Simplify right side
   158,900.10x = 18,925,150,765.03
5. Step 5: Solve for x
   x = 18,925,150,765.03/158,900.10
6. Step 6: Final answer
   x = 119,100.94