Finding the Fourth Proportional to 2,229,773.86, 3,077,022.90 and 1,211,176.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,229,773.86 : 3,077,022.90 = 1,211,176.18 : x
2. Step 2: Convert to fraction form
   2,229,773.86/3,077,022.90 = 1,211,176.18/x
3. Step 3: Cross multiply
   2,229,773.86x = 3,077,022.90 × 1,211,176.18
4. Step 4: Simplify right side
   2,229,773.86x = 3,726,816,841,794.52
5. Step 5: Solve for x
   x = 3,726,816,841,794.52/2,229,773.86
6. Step 6: Final answer
   x = 1,671,387.81