Finding the Fourth Proportional to 595,206.72, 821,526.84 and 340,704.72

Step by Step Solution

1. Step 1: Write the proportion equation
   595,206.72 : 821,526.84 = 340,704.72 : x
2. Step 2: Convert to fraction form
   595,206.72/821,526.84 = 340,704.72/x
3. Step 3: Cross multiply
   595,206.72x = 821,526.84 × 340,704.72
4. Step 4: Simplify right side
   595,206.72x = 279,898,071,994.69
5. Step 5: Solve for x
   x = 279,898,071,994.69/595,206.72
6. Step 6: Final answer
   x = 470,253.55