Finding the Fourth Proportional to 2,522.09, 3,780.01 and 876.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,522.09 : 3,780.01 = 876.71 : x
2. Step 2: Convert to fraction form
   2,522.09/3,780.01 = 876.71/x
3. Step 3: Cross multiply
   2,522.09x = 3,780.01 × 876.71
4. Step 4: Simplify right side
   2,522.09x = 3,313,972.57
5. Step 5: Solve for x
   x = 3,313,972.57/2,522.09
6. Step 6: Final answer
   x = 1,313.98