Finding the Fourth Proportional to 219,907, 303,445.92 and 123,116.14

Step by Step Solution

1. Step 1: Write the proportion equation
   219,907 : 303,445.92 = 123,116.14 : x
2. Step 2: Convert to fraction form
   219,907/303,445.92 = 123,116.14/x
3. Step 3: Cross multiply
   219,907x = 303,445.92 × 123,116.14
4. Step 4: Simplify right side
   219,907x = 37,359,090,369.15
5. Step 5: Solve for x
   x = 37,359,090,369.15/219,907
6. Step 6: Final answer
   x = 169,885.86