Finding the Fourth Proportional to 3,806.50, 5,710.71 and 1,070.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,806.50 : 5,710.71 = 1,070.50 : x
2. Step 2: Convert to fraction form
   3,806.50/5,710.71 = 1,070.50/x
3. Step 3: Cross multiply
   3,806.50x = 5,710.71 × 1,070.50
4. Step 4: Simplify right side
   3,806.50x = 6,113,315.06
5. Step 5: Solve for x
   x = 6,113,315.06/3,806.50
6. Step 6: Final answer
   x = 1,606.02