Finding the Fourth Proportional to 2,081,689.47, 3,120,407.15 and 1,181,229.21

Step by Step Solution

1. Step 1: Write the proportion equation
   2,081,689.47 : 3,120,407.15 = 1,181,229.21 : x
2. Step 2: Convert to fraction form
   2,081,689.47/3,120,407.15 = 1,181,229.21/x
3. Step 3: Cross multiply
   2,081,689.47x = 3,120,407.15 × 1,181,229.21
4. Step 4: Simplify right side
   2,081,689.47x = 3,685,916,066,766.71
5. Step 5: Solve for x
   x = 3,685,916,066,766.71/2,081,689.47
6. Step 6: Final answer
   x = 1,770,636.84