Finding the Fourth Proportional to 2,115.35, 3,174.06 and 1,598.51

Step by Step Solution

1. Step 1: Write the proportion equation
   2,115.35 : 3,174.06 = 1,598.51 : x
2. Step 2: Convert to fraction form
   2,115.35/3,174.06 = 1,598.51/x
3. Step 3: Cross multiply
   2,115.35x = 3,174.06 × 1,598.51
4. Step 4: Simplify right side
   2,115.35x = 5,073,750.78
5. Step 5: Solve for x
   x = 5,073,750.78/2,115.35
6. Step 6: Final answer
   x = 2,398.55