Finding the Fourth Proportional to 2,118.02, 3,174.80 and 1,020.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,118.02 : 3,174.80 = 1,020.06 : x
2. Step 2: Convert to fraction form
   2,118.02/3,174.80 = 1,020.06/x
3. Step 3: Cross multiply
   2,118.02x = 3,174.80 × 1,020.06
4. Step 4: Simplify right side
   2,118.02x = 3,238,481.39
5. Step 5: Solve for x
   x = 3,238,481.39/2,118.02
6. Step 6: Final answer
   x = 1,529.02