Finding the Fourth Proportional to 510,401.52, 704,347.25 and 284,047.02

Step by Step Solution

1. Step 1: Write the proportion equation
   510,401.52 : 704,347.25 = 284,047.02 : x
2. Step 2: Convert to fraction form
   510,401.52/704,347.25 = 284,047.02/x
3. Step 3: Cross multiply
   510,401.52x = 704,347.25 × 284,047.02
4. Step 4: Simplify right side
   510,401.52x = 200,067,735,987.46
5. Step 5: Solve for x
   x = 200,067,735,987.46/510,401.52
6. Step 6: Final answer
   x = 391,981.07