Finding the Fourth Proportional to 3,664.16, 5,056.71 and 2,070.69

Step by Step Solution

1. Step 1: Write the proportion equation
   3,664.16 : 5,056.71 = 2,070.69 : x
2. Step 2: Convert to fraction form
   3,664.16/5,056.71 = 2,070.69/x
3. Step 3: Cross multiply
   3,664.16x = 5,056.71 × 2,070.69
4. Step 4: Simplify right side
   3,664.16x = 10,470,868.88
5. Step 5: Solve for x
   x = 10,470,868.88/3,664.16
6. Step 6: Final answer
   x = 2,857.64