Finding the Fourth Proportional to 2,616.86, 3,611.04 and 1,437.64

Step by Step Solution

1. Step 1: Write the proportion equation
   2,616.86 : 3,611.04 = 1,437.64 : x
2. Step 2: Convert to fraction form
   2,616.86/3,611.04 = 1,437.64/x
3. Step 3: Cross multiply
   2,616.86x = 3,611.04 × 1,437.64
4. Step 4: Simplify right side
   2,616.86x = 5,191,375.55
5. Step 5: Solve for x
   x = 5,191,375.55/2,616.86
6. Step 6: Final answer
   x = 1,983.82