Finding the Fourth Proportional to 2,086.32, 2,881.92 and 1,698.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,086.32 : 2,881.92 = 1,698.24 : x
2. Step 2: Convert to fraction form
   2,086.32/2,881.92 = 1,698.24/x
3. Step 3: Cross multiply
   2,086.32x = 2,881.92 × 1,698.24
4. Step 4: Simplify right side
   2,086.32x = 4,894,191.82
5. Step 5: Solve for x
   x = 4,894,191.82/2,086.32
6. Step 6: Final answer
   x = 2,345.85