Finding the Fourth Proportional to 2,077,905, 3,117,169.20 and 729,830

Step by Step Solution

1. Step 1: Write the proportion equation
   2,077,905 : 3,117,169.20 = 729,830 : x
2. Step 2: Convert to fraction form
   2,077,905/3,117,169.20 = 729,830/x
3. Step 3: Cross multiply
   2,077,905x = 3,117,169.20 × 729,830
4. Step 4: Simplify right side
   2,077,905x = 2,275,003,597,236
5. Step 5: Solve for x
   x = 2,275,003,597,236/2,077,905
6. Step 6: Final answer
   x = 1,094,854.48