Finding the Fourth Proportional to 11,762.56, 17,643.66 and 3,976.84

Step by Step Solution

1. Step 1: Write the proportion equation
   11,762.56 : 17,643.66 = 3,976.84 : x
2. Step 2: Convert to fraction form
   11,762.56/17,643.66 = 3,976.84/x
3. Step 3: Cross multiply
   11,762.56x = 17,643.66 × 3,976.84
4. Step 4: Simplify right side
   11,762.56x = 70,166,012.83
5. Step 5: Solve for x
   x = 70,166,012.83/11,762.56
6. Step 6: Final answer
   x = 5,965.20