Finding the Fourth Proportional to 1,498.42, 2,067.49 and 869.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,498.42 : 2,067.49 = 869.05 : x
2. Step 2: Convert to fraction form
   1,498.42/2,067.49 = 869.05/x
3. Step 3: Cross multiply
   1,498.42x = 2,067.49 × 869.05
4. Step 4: Simplify right side
   1,498.42x = 1,796,752.18
5. Step 5: Solve for x
   x = 1,796,752.18/1,498.42
6. Step 6: Final answer
   x = 1,199.10