Finding the Fourth Proportional to 2,828,300.16, 3,906,990 and 2,723,307.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,828,300.16 : 3,906,990 = 2,723,307.60 : x
2. Step 2: Convert to fraction form
   2,828,300.16/3,906,990 = 2,723,307.60/x
3. Step 3: Cross multiply
   2,828,300.16x = 3,906,990 × 2,723,307.60
4. Step 4: Simplify right side
   2,828,300.16x = 10,639,935,560,124
5. Step 5: Solve for x
   x = 10,639,935,560,124/2,828,300.16
6. Step 6: Final answer
   x = 3,761,954.16