Finding the Fourth Proportional to 158,827.60, 219,193.59 and 105,019.30

Step by Step Solution

1. Step 1: Write the proportion equation
   158,827.60 : 219,193.59 = 105,019.30 : x
2. Step 2: Convert to fraction form
   158,827.60/219,193.59 = 105,019.30/x
3. Step 3: Cross multiply
   158,827.60x = 219,193.59 × 105,019.30
4. Step 4: Simplify right side
   158,827.60x = 23,019,557,386.29
5. Step 5: Solve for x
   x = 23,019,557,386.29/158,827.60
6. Step 6: Final answer
   x = 144,934.24