Finding the Fourth Proportional to 1,218,167.30, 1,681,050.52 and 674,291.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,218,167.30 : 1,681,050.52 = 674,291.42 : x
2. Step 2: Convert to fraction form
   1,218,167.30/1,681,050.52 = 674,291.42/x
3. Step 3: Cross multiply
   1,218,167.30x = 1,681,050.52 × 674,291.42
4. Step 4: Simplify right side
   1,218,167.30x = 1,133,517,942,222.54
5. Step 5: Solve for x
   x = 1,133,517,942,222.54/1,218,167.30
6. Step 6: Final answer
   x = 930,510.89