Finding the Fourth Proportional to 2,801.88, 3,864.78 and 2,706.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,801.88 : 3,864.78 = 2,706.84 : x
2. Step 2: Convert to fraction form
   2,801.88/3,864.78 = 2,706.84/x
3. Step 3: Cross multiply
   2,801.88x = 3,864.78 × 2,706.84
4. Step 4: Simplify right side
   2,801.88x = 10,461,341.10
5. Step 5: Solve for x
   x = 10,461,341.10/2,801.88
6. Step 6: Final answer
   x = 3,733.69