Finding the Fourth Proportional to 514,196.43, 709,506.72 and 323,074.50

Step by Step Solution

1. Step 1: Write the proportion equation
   514,196.43 : 709,506.72 = 323,074.50 : x
2. Step 2: Convert to fraction form
   514,196.43/709,506.72 = 323,074.50/x
3. Step 3: Cross multiply
   514,196.43x = 709,506.72 × 323,074.50
4. Step 4: Simplify right side
   514,196.43x = 229,223,528,810.64
5. Step 5: Solve for x
   x = 229,223,528,810.64/514,196.43
6. Step 6: Final answer
   x = 445,789.81