Finding the Fourth Proportional to 1,964.55, 2,710.17 and 1,177.23

Step by Step Solution

1. Step 1: Write the proportion equation
   1,964.55 : 2,710.17 = 1,177.23 : x
2. Step 2: Convert to fraction form
   1,964.55/2,710.17 = 1,177.23/x
3. Step 3: Cross multiply
   1,964.55x = 2,710.17 × 1,177.23
4. Step 4: Simplify right side
   1,964.55x = 3,190,493.43
5. Step 5: Solve for x
   x = 3,190,493.43/1,964.55
6. Step 6: Final answer
   x = 1,624.03