Finding the Fourth Proportional to 2,007.59, 2,770.01 and 1,167.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,007.59 : 2,770.01 = 1,167.80 : x
2. Step 2: Convert to fraction form
   2,007.59/2,770.01 = 1,167.80/x
3. Step 3: Cross multiply
   2,007.59x = 2,770.01 × 1,167.80
4. Step 4: Simplify right side
   2,007.59x = 3,234,806.75
5. Step 5: Solve for x
   x = 3,234,806.75/2,007.59
6. Step 6: Final answer
   x = 1,611.29