Finding the Fourth Proportional to 1,143,900.48, 1,715,993.73 and 345,180.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,143,900.48 : 1,715,993.73 = 345,180.72 : x
2. Step 2: Convert to fraction form
   1,143,900.48/1,715,993.73 = 345,180.72/x
3. Step 3: Cross multiply
   1,143,900.48x = 1,715,993.73 × 345,180.72
4. Step 4: Simplify right side
   1,143,900.48x = 592,327,951,236.89
5. Step 5: Solve for x
   x = 592,327,951,236.89/1,143,900.48
6. Step 6: Final answer
   x = 517,814.23