Finding the Fourth Proportional to 1,681.52, 2,523.52 and 1,162.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,681.52 : 2,523.52 = 1,162.72 : x
2. Step 2: Convert to fraction form
   1,681.52/2,523.52 = 1,162.72/x
3. Step 3: Cross multiply
   1,681.52x = 2,523.52 × 1,162.72
4. Step 4: Simplify right side
   1,681.52x = 2,934,147.17
5. Step 5: Solve for x
   x = 2,934,147.17/1,681.52
6. Step 6: Final answer
   x = 1,744.94