Finding the Fourth Proportional to 2,069,706.72, 3,105,076.77 and 721,888.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,069,706.72 : 3,105,076.77 = 721,888.71 : x
2. Step 2: Convert to fraction form
   2,069,706.72/3,105,076.77 = 721,888.71/x
3. Step 3: Cross multiply
   2,069,706.72x = 3,105,076.77 × 721,888.71
4. Step 4: Simplify right side
   2,069,706.72x = 2,241,519,863,946.27
5. Step 5: Solve for x
   x = 2,241,519,863,946.27/2,069,706.72
6. Step 6: Final answer
   x = 1,083,013.28