Finding the Fourth Proportional to 2,142,578.25, 3,214,676.57 and 1,131,659.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,142,578.25 : 3,214,676.57 = 1,131,659.37 : x
2. Step 2: Convert to fraction form
   2,142,578.25/3,214,676.57 = 1,131,659.37/x
3. Step 3: Cross multiply
   2,142,578.25x = 3,214,676.57 × 1,131,659.37
4. Step 4: Simplify right side
   2,142,578.25x = 3,637,918,856,301.66
5. Step 5: Solve for x
   x = 3,637,918,856,301.66/2,142,578.25
6. Step 6: Final answer
   x = 1,697,916.45