Finding the Fourth Proportional to 2,116,170.72, 2,920,495.71 and 1,198,563.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,116,170.72 : 2,920,495.71 = 1,198,563.07 : x
2. Step 2: Convert to fraction form
   2,116,170.72/2,920,495.71 = 1,198,563.07/x
3. Step 3: Cross multiply
   2,116,170.72x = 2,920,495.71 × 1,198,563.07
4. Step 4: Simplify right side
   2,116,170.72x = 3,500,398,304,099.43
5. Step 5: Solve for x
   x = 3,500,398,304,099.43/2,116,170.72
6. Step 6: Final answer
   x = 1,654,119.05