Finding the Fourth Proportional to 1,253.39, 1,879.16 and 1,036.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,253.39 : 1,879.16 = 1,036.50 : x
2. Step 2: Convert to fraction form
   1,253.39/1,879.16 = 1,036.50/x
3. Step 3: Cross multiply
   1,253.39x = 1,879.16 × 1,036.50
4. Step 4: Simplify right side
   1,253.39x = 1,947,744.16
5. Step 5: Solve for x
   x = 1,947,744.16/1,253.39
6. Step 6: Final answer
   x = 1,553.99