Finding the Fourth Proportional to 571,716.72, 788,994 and 317,050.56

Step by Step Solution

1. Step 1: Write the proportion equation
   571,716.72 : 788,994 = 317,050.56 : x
2. Step 2: Convert to fraction form
   571,716.72/788,994 = 317,050.56/x
3. Step 3: Cross multiply
   571,716.72x = 788,994 × 317,050.56
4. Step 4: Simplify right side
   571,716.72x = 250,150,989,536.64
5. Step 5: Solve for x
   x = 250,150,989,536.64/571,716.72
6. Step 6: Final answer
   x = 437,543.60