Finding the Fourth Proportional to 2,607.64, 3,599.67 and 1,559.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,607.64 : 3,599.67 = 1,559.50 : x
2. Step 2: Convert to fraction form
   2,607.64/3,599.67 = 1,559.50/x
3. Step 3: Cross multiply
   2,607.64x = 3,599.67 × 1,559.50
4. Step 4: Simplify right side
   2,607.64x = 5,613,685.37
5. Step 5: Solve for x
   x = 5,613,685.37/2,607.64
6. Step 6: Final answer
   x = 2,152.78