Finding the Fourth Proportional to 1,736.98, 2,601.27 and 1,217.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,736.98 : 2,601.27 = 1,217.50 : x
2. Step 2: Convert to fraction form
   1,736.98/2,601.27 = 1,217.50/x
3. Step 3: Cross multiply
   1,736.98x = 2,601.27 × 1,217.50
4. Step 4: Simplify right side
   1,736.98x = 3,167,046.23
5. Step 5: Solve for x
   x = 3,167,046.23/1,736.98
6. Step 6: Final answer
   x = 1,823.31