Finding the Fourth Proportional to 309,619.82, 464,561.23 and 169,214.42

Step by Step Solution

1. Step 1: Write the proportion equation
   309,619.82 : 464,561.23 = 169,214.42 : x
2. Step 2: Convert to fraction form
   309,619.82/464,561.23 = 169,214.42/x
3. Step 3: Cross multiply
   309,619.82x = 464,561.23 × 169,214.42
4. Step 4: Simplify right side
   309,619.82x = 78,610,459,088.94
5. Step 5: Solve for x
   x = 78,610,459,088.94/309,619.82
6. Step 6: Final answer
   x = 253,893.50