Finding the Fourth Proportional to 1,505.36, 2,077.83 and 876.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,505.36 : 2,077.83 = 876.03 : x
2. Step 2: Convert to fraction form
   1,505.36/2,077.83 = 876.03/x
3. Step 3: Cross multiply
   1,505.36x = 2,077.83 × 876.03
4. Step 4: Simplify right side
   1,505.36x = 1,820,241.41
5. Step 5: Solve for x
   x = 1,820,241.41/1,505.36
6. Step 6: Final answer
   x = 1,209.18