Finding the Fourth Proportional to 1,756.69, 2,423.24 and 1,158.57

Step by Step Solution

1. Step 1: Write the proportion equation
   1,756.69 : 2,423.24 = 1,158.57 : x
2. Step 2: Convert to fraction form
   1,756.69/2,423.24 = 1,158.57/x
3. Step 3: Cross multiply
   1,756.69x = 2,423.24 × 1,158.57
4. Step 4: Simplify right side
   1,756.69x = 2,807,491.72
5. Step 5: Solve for x
   x = 2,807,491.72/1,756.69
6. Step 6: Final answer
   x = 1,598.17