Finding the Fourth Proportional to 1,597.69, 2,395.59 and 1,077.67

Step by Step Solution

1. Step 1: Write the proportion equation
   1,597.69 : 2,395.59 = 1,077.67 : x
2. Step 2: Convert to fraction form
   1,597.69/2,395.59 = 1,077.67/x
3. Step 3: Cross multiply
   1,597.69x = 2,395.59 × 1,077.67
4. Step 4: Simplify right side
   1,597.69x = 2,581,655.48
5. Step 5: Solve for x
   x = 2,581,655.48/1,597.69
6. Step 6: Final answer
   x = 1,615.87