Finding the Fourth Proportional to 1,506.84, 2,079.57 and 877.33

Step by Step Solution

1. Step 1: Write the proportion equation
   1,506.84 : 2,079.57 = 877.33 : x
2. Step 2: Convert to fraction form
   1,506.84/2,079.57 = 877.33/x
3. Step 3: Cross multiply
   1,506.84x = 2,079.57 × 877.33
4. Step 4: Simplify right side
   1,506.84x = 1,824,469.15
5. Step 5: Solve for x
   x = 1,824,469.15/1,506.84
6. Step 6: Final answer
   x = 1,210.79