Finding the Fourth Proportional to 2,132,078.18, 2,942,275.57 and 1,165,208.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,132,078.18 : 2,942,275.57 = 1,165,208.18 : x
2. Step 2: Convert to fraction form
   2,132,078.18/2,942,275.57 = 1,165,208.18/x
3. Step 3: Cross multiply
   2,132,078.18x = 2,942,275.57 × 1,165,208.18
4. Step 4: Simplify right side
   2,132,078.18x = 3,428,363,561,978.16
5. Step 5: Solve for x
   x = 3,428,363,561,978.16/2,132,078.18
6. Step 6: Final answer
   x = 1,607,991.49