Finding the Fourth Proportional to 5,146.94, 7,102.81 and 2,789.10

Step by Step Solution

1. Step 1: Write the proportion equation
   5,146.94 : 7,102.81 = 2,789.10 : x
2. Step 2: Convert to fraction form
   5,146.94/7,102.81 = 2,789.10/x
3. Step 3: Cross multiply
   5,146.94x = 7,102.81 × 2,789.10
4. Step 4: Simplify right side
   5,146.94x = 19,810,404.88
5. Step 5: Solve for x
   x = 19,810,404.88/5,146.94
6. Step 6: Final answer
   x = 3,848.97