Finding the Fourth Proportional to 562,227.81, 843,109.71 and 215,958.96

Step by Step Solution

1. Step 1: Write the proportion equation
   562,227.81 : 843,109.71 = 215,958.96 : x
2. Step 2: Convert to fraction form
   562,227.81/843,109.71 = 215,958.96/x
3. Step 3: Cross multiply
   562,227.81x = 843,109.71 × 215,958.96
4. Step 4: Simplify right side
   562,227.81x = 182,077,096,137.50
5. Step 5: Solve for x
   x = 182,077,096,137.50/562,227.81
6. Step 6: Final answer
   x = 323,849.32