Finding the Fourth Proportional to 2,787.06, 4,176.91 and 1,141.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,787.06 : 4,176.91 = 1,141.72 : x
2. Step 2: Convert to fraction form
   2,787.06/4,176.91 = 1,141.72/x
3. Step 3: Cross multiply
   2,787.06x = 4,176.91 × 1,141.72
4. Step 4: Simplify right side
   2,787.06x = 4,768,861.69
5. Step 5: Solve for x
   x = 4,768,861.69/2,787.06
6. Step 6: Final answer
   x = 1,711.07