Finding the Fourth Proportional to 1,732.76, 2,601.78 and 1,513.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,732.76 : 2,601.78 = 1,513.25 : x
2. Step 2: Convert to fraction form
   1,732.76/2,601.78 = 1,513.25/x
3. Step 3: Cross multiply
   1,732.76x = 2,601.78 × 1,513.25
4. Step 4: Simplify right side
   1,732.76x = 3,937,144.41
5. Step 5: Solve for x
   x = 3,937,144.41/1,732.76
6. Step 6: Final answer
   x = 2,272.18