Finding the Fourth Proportional to 1,199.15, 1,654.71 and 675.17

Step by Step Solution

1. Step 1: Write the proportion equation
   1,199.15 : 1,654.71 = 675.17 : x
2. Step 2: Convert to fraction form
   1,199.15/1,654.71 = 675.17/x
3. Step 3: Cross multiply
   1,199.15x = 1,654.71 × 675.17
4. Step 4: Simplify right side
   1,199.15x = 1,117,210.55
5. Step 5: Solve for x
   x = 1,117,210.55/1,199.15
6. Step 6: Final answer
   x = 931.67