Finding the Fourth Proportional to 5,298.16, 7,942.38 and 2,698.06

Step by Step Solution

1. Step 1: Write the proportion equation
   5,298.16 : 7,942.38 = 2,698.06 : x
2. Step 2: Convert to fraction form
   5,298.16/7,942.38 = 2,698.06/x
3. Step 3: Cross multiply
   5,298.16x = 7,942.38 × 2,698.06
4. Step 4: Simplify right side
   5,298.16x = 21,429,017.78
5. Step 5: Solve for x
   x = 21,429,017.78/5,298.16
6. Step 6: Final answer
   x = 4,044.62