Finding the Fourth Proportional to 158,817.32, 219,139.31 and 89,906.32

Step by Step Solution

1. Step 1: Write the proportion equation
   158,817.32 : 219,139.31 = 89,906.32 : x
2. Step 2: Convert to fraction form
   158,817.32/219,139.31 = 89,906.32/x
3. Step 3: Cross multiply
   158,817.32x = 219,139.31 × 89,906.32
4. Step 4: Simplify right side
   158,817.32x = 19,702,007,833.74
5. Step 5: Solve for x
   x = 19,702,007,833.74/158,817.32
6. Step 6: Final answer
   x = 124,054.53