Finding the Fourth Proportional to 2,707.02, 4,063.05 and 1,391.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,707.02 : 4,063.05 = 1,391.76 : x
2. Step 2: Convert to fraction form
   2,707.02/4,063.05 = 1,391.76/x
3. Step 3: Cross multiply
   2,707.02x = 4,063.05 × 1,391.76
4. Step 4: Simplify right side
   2,707.02x = 5,654,790.47
5. Step 5: Solve for x
   x = 5,654,790.47/2,707.02
6. Step 6: Final answer
   x = 2,088.94