Finding the Fourth Proportional to 2,678.11, 3,695.87 and 1,499.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,678.11 : 3,695.87 = 1,499.15 : x
2. Step 2: Convert to fraction form
   2,678.11/3,695.87 = 1,499.15/x
3. Step 3: Cross multiply
   2,678.11x = 3,695.87 × 1,499.15
4. Step 4: Simplify right side
   2,678.11x = 5,540,663.51
5. Step 5: Solve for x
   x = 5,540,663.51/2,678.11
6. Step 6: Final answer
   x = 2,068.87