Finding the Fourth Proportional to 2,488.06, 3,732.18 and 928.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,488.06 : 3,732.18 = 928.46 : x
2. Step 2: Convert to fraction form
   2,488.06/3,732.18 = 928.46/x
3. Step 3: Cross multiply
   2,488.06x = 3,732.18 × 928.46
4. Step 4: Simplify right side
   2,488.06x = 3,465,179.84
5. Step 5: Solve for x
   x = 3,465,179.84/2,488.06
6. Step 6: Final answer
   x = 1,392.72