Finding the Fourth Proportional to 158,068.89, 218,068.83 and 103,634.12

Step by Step Solution

1. Step 1: Write the proportion equation
   158,068.89 : 218,068.83 = 103,634.12 : x
2. Step 2: Convert to fraction form
   158,068.89/218,068.83 = 103,634.12/x
3. Step 3: Cross multiply
   158,068.89x = 218,068.83 × 103,634.12
4. Step 4: Simplify right side
   158,068.89x = 22,599,371,841.65
5. Step 5: Solve for x
   x = 22,599,371,841.65/158,068.89
6. Step 6: Final answer
   x = 142,971.66