Finding the Fourth Proportional to 1,928.82, 2,892.12 and 1,698.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,928.82 : 2,892.12 = 1,698.18 : x
2. Step 2: Convert to fraction form
   1,928.82/2,892.12 = 1,698.18/x
3. Step 3: Cross multiply
   1,928.82x = 2,892.12 × 1,698.18
4. Step 4: Simplify right side
   1,928.82x = 4,911,332.68
5. Step 5: Solve for x
   x = 4,911,332.68/1,928.82
6. Step 6: Final answer
   x = 2,546.28