Finding the Fourth Proportional to 2,729,729.61, 4,086,196.34 and 1,781,057.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,729,729.61 : 4,086,196.34 = 1,781,057.61 : x
2. Step 2: Convert to fraction form
   2,729,729.61/4,086,196.34 = 1,781,057.61/x
3. Step 3: Cross multiply
   2,729,729.61x = 4,086,196.34 × 1,781,057.61
4. Step 4: Simplify right side
   2,729,729.61x = 7,277,751,078,405.86
5. Step 5: Solve for x
   x = 7,277,751,078,405.86/2,729,729.61
6. Step 6: Final answer
   x = 2,666,106.95