Finding the Fourth Proportional to 3,706.22, 5,561.86 and 1,976.06

Step by Step Solution

1. Step 1: Write the proportion equation
   3,706.22 : 5,561.86 = 1,976.06 : x
2. Step 2: Convert to fraction form
   3,706.22/5,561.86 = 1,976.06/x
3. Step 3: Cross multiply
   3,706.22x = 5,561.86 × 1,976.06
4. Step 4: Simplify right side
   3,706.22x = 10,990,569.07
5. Step 5: Solve for x
   x = 10,990,569.07/3,706.22
6. Step 6: Final answer
   x = 2,965.44