Finding the Fourth Proportional to 2,085,435.51, 2,877,821.30 and 1,167,578.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,085,435.51 : 2,877,821.30 = 1,167,578.79 : x
2. Step 2: Convert to fraction form
   2,085,435.51/2,877,821.30 = 1,167,578.79/x
3. Step 3: Cross multiply
   2,085,435.51x = 2,877,821.30 × 1,167,578.79
4. Step 4: Simplify right side
   2,085,435.51x = 3,360,083,105,452.33
5. Step 5: Solve for x
   x = 3,360,083,105,452.33/2,085,435.51
6. Step 6: Final answer
   x = 1,611,214.10