Finding the Fourth Proportional to 3,988.55, 5,981.20 and 1,796.69

Step by Step Solution

1. Step 1: Write the proportion equation
   3,988.55 : 5,981.20 = 1,796.69 : x
2. Step 2: Convert to fraction form
   3,988.55/5,981.20 = 1,796.69/x
3. Step 3: Cross multiply
   3,988.55x = 5,981.20 × 1,796.69
4. Step 4: Simplify right side
   3,988.55x = 10,746,362.23
5. Step 5: Solve for x
   x = 10,746,362.23/3,988.55
6. Step 6: Final answer
   x = 2,694.30