Finding the Fourth Proportional to 2,711.16, 4,065.37 and 1,930.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,711.16 : 4,065.37 = 1,930.72 : x
2. Step 2: Convert to fraction form
   2,711.16/4,065.37 = 1,930.72/x
3. Step 3: Cross multiply
   2,711.16x = 4,065.37 × 1,930.72
4. Step 4: Simplify right side
   2,711.16x = 7,849,091.17
5. Step 5: Solve for x
   x = 7,849,091.17/2,711.16
6. Step 6: Final answer
   x = 2,895.10