Finding the Fourth Proportional to 2,000.50, 2,760.69 and 1,172.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,000.50 : 2,760.69 = 1,172.50 : x
2. Step 2: Convert to fraction form
   2,000.50/2,760.69 = 1,172.50/x
3. Step 3: Cross multiply
   2,000.50x = 2,760.69 × 1,172.50
4. Step 4: Simplify right side
   2,000.50x = 3,236,909.03
5. Step 5: Solve for x
   x = 3,236,909.03/2,000.50
6. Step 6: Final answer
   x = 1,618.05