Finding the Fourth Proportional to 568,488.72, 784,798.56 and 353,698.32

Step by Step Solution

1. Step 1: Write the proportion equation
   568,488.72 : 784,798.56 = 353,698.32 : x
2. Step 2: Convert to fraction form
   568,488.72/784,798.56 = 353,698.32/x
3. Step 3: Cross multiply
   568,488.72x = 784,798.56 × 353,698.32
4. Step 4: Simplify right side
   568,488.72x = 277,581,932,210.42
5. Step 5: Solve for x
   x = 277,581,932,210.42/568,488.72
6. Step 6: Final answer
   x = 488,280.46