Finding the Fourth Proportional to 1,498.35, 2,067.72 and 869.00

Step by Step Solution

1. Step 1: Write the proportion equation
   1,498.35 : 2,067.72 = 869.00 : x
2. Step 2: Convert to fraction form
   1,498.35/2,067.72 = 869.00/x
3. Step 3: Cross multiply
   1,498.35x = 2,067.72 × 869.00
4. Step 4: Simplify right side
   1,498.35x = 1,796,838.34
5. Step 5: Solve for x
   x = 1,796,838.34/1,498.35
6. Step 6: Final answer
   x = 1,199.21