Finding the Fourth Proportional to 510,323.33, 704,126.05 and 428,960.86

Step by Step Solution

1. Step 1: Write the proportion equation
   510,323.33 : 704,126.05 = 428,960.86 : x
2. Step 2: Convert to fraction form
   510,323.33/704,126.05 = 428,960.86/x
3. Step 3: Cross multiply
   510,323.33x = 704,126.05 × 428,960.86
4. Step 4: Simplify right side
   510,323.33x = 302,042,513,123.69
5. Step 5: Solve for x
   x = 302,042,513,123.69/510,323.33
6. Step 6: Final answer
   x = 591,864.99