Finding the Fourth Proportional to 713,694, 984,897.72 and 395,742

Step by Step Solution

1. Step 1: Write the proportion equation
   713,694 : 984,897.72 = 395,742 : x
2. Step 2: Convert to fraction form
   713,694/984,897.72 = 395,742/x
3. Step 3: Cross multiply
   713,694x = 984,897.72 × 395,742
4. Step 4: Simplify right side
   713,694x = 389,765,393,508.24
5. Step 5: Solve for x
   x = 389,765,393,508.24/713,694
6. Step 6: Final answer
   x = 546,123.96