Finding the Fourth Proportional to 158,568.54, 218,822.72 and 86,947.94

Step by Step Solution

1. Step 1: Write the proportion equation
   158,568.54 : 218,822.72 = 86,947.94 : x
2. Step 2: Convert to fraction form
   158,568.54/218,822.72 = 86,947.94/x
3. Step 3: Cross multiply
   158,568.54x = 218,822.72 × 86,947.94
4. Step 4: Simplify right side
   158,568.54x = 19,026,183,200.34
5. Step 5: Solve for x
   x = 19,026,183,200.34/158,568.54
6. Step 6: Final answer
   x = 119,987.12