Finding the Fourth Proportional to 1,253.94, 1,730.52 and 1,153.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,253.94 : 1,730.52 = 1,153.50 : x
2. Step 2: Convert to fraction form
   1,253.94/1,730.52 = 1,153.50/x
3. Step 3: Cross multiply
   1,253.94x = 1,730.52 × 1,153.50
4. Step 4: Simplify right side
   1,253.94x = 1,996,154.82
5. Step 5: Solve for x
   x = 1,996,154.82/1,253.94
6. Step 6: Final answer
   x = 1,591.91