Finding the Fourth Proportional to 510,833.15, 704,899.28 and 284,499.71

Step by Step Solution

1. Step 1: Write the proportion equation
   510,833.15 : 704,899.28 = 284,499.71 : x
2. Step 2: Convert to fraction form
   510,833.15/704,899.28 = 284,499.71/x
3. Step 3: Cross multiply
   510,833.15x = 704,899.28 × 284,499.71
4. Step 4: Simplify right side
   510,833.15x = 200,543,640,739.21
5. Step 5: Solve for x
   x = 200,543,640,739.21/510,833.15
6. Step 6: Final answer
   x = 392,581.49