Finding the Fourth Proportional to 590,689.72, 815,152.98 and 322,417.72

Step by Step Solution

1. Step 1: Write the proportion equation
   590,689.72 : 815,152.98 = 322,417.72 : x
2. Step 2: Convert to fraction form
   590,689.72/815,152.98 = 322,417.72/x
3. Step 3: Cross multiply
   590,689.72x = 815,152.98 × 322,417.72
4. Step 4: Simplify right side
   590,689.72x = 262,819,765,262.81
5. Step 5: Solve for x
   x = 262,819,765,262.81/590,689.72
6. Step 6: Final answer
   x = 444,937.09