Finding the Fourth Proportional to 2,645.64, 3,651.72 and 1,597.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,645.64 : 3,651.72 = 1,597.76 : x
2. Step 2: Convert to fraction form
   2,645.64/3,651.72 = 1,597.76/x
3. Step 3: Cross multiply
   2,645.64x = 3,651.72 × 1,597.76
4. Step 4: Simplify right side
   2,645.64x = 5,834,572.15
5. Step 5: Solve for x
   x = 5,834,572.15/2,645.64
6. Step 6: Final answer
   x = 2,205.35