Finding the Fourth Proportional to 1,523.10, 2,275.71 and 1,169.67

Step by Step Solution

1. Step 1: Write the proportion equation
   1,523.10 : 2,275.71 = 1,169.67 : x
2. Step 2: Convert to fraction form
   1,523.10/2,275.71 = 1,169.67/x
3. Step 3: Cross multiply
   1,523.10x = 2,275.71 × 1,169.67
4. Step 4: Simplify right side
   1,523.10x = 2,661,829.72
5. Step 5: Solve for x
   x = 2,661,829.72/1,523.10
6. Step 6: Final answer
   x = 1,747.64