Finding the Fourth Proportional to 219,379.89, 302,744.27 and 123,892.74

Step by Step Solution

1. Step 1: Write the proportion equation
   219,379.89 : 302,744.27 = 123,892.74 : x
2. Step 2: Convert to fraction form
   219,379.89/302,744.27 = 123,892.74/x
3. Step 3: Cross multiply
   219,379.89x = 302,744.27 × 123,892.74
4. Step 4: Simplify right side
   219,379.89x = 37,507,816,510.14
5. Step 5: Solve for x
   x = 37,507,816,510.14/219,379.89
6. Step 6: Final answer
   x = 170,971.99