Finding the Fourth Proportional to 309,084.71, 426,508.21 and 174,948.71

Step by Step Solution

1. Step 1: Write the proportion equation
   309,084.71 : 426,508.21 = 174,948.71 : x
2. Step 2: Convert to fraction form
   309,084.71/426,508.21 = 174,948.71/x
3. Step 3: Cross multiply
   309,084.71x = 426,508.21 × 174,948.71
4. Step 4: Simplify right side
   309,084.71x = 74,617,061,143.91
5. Step 5: Solve for x
   x = 74,617,061,143.91/309,084.71
6. Step 6: Final answer
   x = 241,412.98