Finding the Fourth Proportional to 2,028.58, 3,042.13 and 988.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,028.58 : 3,042.13 = 988.27 : x
2. Step 2: Convert to fraction form
   2,028.58/3,042.13 = 988.27/x
3. Step 3: Cross multiply
   2,028.58x = 3,042.13 × 988.27
4. Step 4: Simplify right side
   2,028.58x = 3,006,445.82
5. Step 5: Solve for x
   x = 3,006,445.82/2,028.58
6. Step 6: Final answer
   x = 1,482.04