Finding the Fourth Proportional to 410,863, 566,664.68 and 249,715

Step by Step Solution

1. Step 1: Write the proportion equation
   410,863 : 566,664.68 = 249,715 : x
2. Step 2: Convert to fraction form
   410,863/566,664.68 = 249,715/x
3. Step 3: Cross multiply
   410,863x = 566,664.68 × 249,715
4. Step 4: Simplify right side
   410,863x = 141,504,670,566.20
5. Step 5: Solve for x
   x = 141,504,670,566.20/410,863
6. Step 6: Final answer
   x = 344,408.41