Finding the Fourth Proportional to 2,191,213.69, 3,287,173.69 and 674,896.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,191,213.69 : 3,287,173.69 = 674,896.12 : x
2. Step 2: Convert to fraction form
   2,191,213.69/3,287,173.69 = 674,896.12/x
3. Step 3: Cross multiply
   2,191,213.69x = 3,287,173.69 × 674,896.12
4. Step 4: Simplify right side
   2,191,213.69x = 2,218,500,756,820.18
5. Step 5: Solve for x
   x = 2,218,500,756,820.18/2,191,213.69
6. Step 6: Final answer
   x = 1,012,452.95