Finding the Fourth Proportional to 413,429.73, 569,213.27 and 352,756.88

Step by Step Solution

1. Step 1: Write the proportion equation
   413,429.73 : 569,213.27 = 352,756.88 : x
2. Step 2: Convert to fraction form
   413,429.73/569,213.27 = 352,756.88/x
3. Step 3: Cross multiply
   413,429.73x = 569,213.27 × 352,756.88
4. Step 4: Simplify right side
   413,429.73x = 200,793,898,411.82
5. Step 5: Solve for x
   x = 200,793,898,411.82/413,429.73
6. Step 6: Final answer
   x = 485,678.42