Finding the Fourth Proportional to 1,199.03, 1,654.83 and 864.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,199.03 : 1,654.83 = 864.04 : x
2. Step 2: Convert to fraction form
   1,199.03/1,654.83 = 864.04/x
3. Step 3: Cross multiply
   1,199.03x = 1,654.83 × 864.04
4. Step 4: Simplify right side
   1,199.03x = 1,429,839.31
5. Step 5: Solve for x
   x = 1,429,839.31/1,199.03
6. Step 6: Final answer
   x = 1,192.50