Finding the Fourth Proportional to 570,411.10, 787,173.15 and 315,756.82

Step by Step Solution

1. Step 1: Write the proportion equation
   570,411.10 : 787,173.15 = 315,756.82 : x
2. Step 2: Convert to fraction form
   570,411.10/787,173.15 = 315,756.82/x
3. Step 3: Cross multiply
   570,411.10x = 787,173.15 × 315,756.82
4. Step 4: Simplify right side
   570,411.10x = 248,555,290,633.38
5. Step 5: Solve for x
   x = 248,555,290,633.38/570,411.10
6. Step 6: Final answer
   x = 435,747.64