Finding the Fourth Proportional to 1,501.55, 2,249.61 and 807.49

Step by Step Solution

1. Step 1: Write the proportion equation
   1,501.55 : 2,249.61 = 807.49 : x
2. Step 2: Convert to fraction form
   1,501.55/2,249.61 = 807.49/x
3. Step 3: Cross multiply
   1,501.55x = 2,249.61 × 807.49
4. Step 4: Simplify right side
   1,501.55x = 1,816,537.58
5. Step 5: Solve for x
   x = 1,816,537.58/1,501.55
6. Step 6: Final answer
   x = 1,209.77