Finding the Fourth Proportional to 1,206.52, 1,664.86 and 675.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,206.52 : 1,664.86 = 675.43 : x
2. Step 2: Convert to fraction form
   1,206.52/1,664.86 = 675.43/x
3. Step 3: Cross multiply
   1,206.52x = 1,664.86 × 675.43
4. Step 4: Simplify right side
   1,206.52x = 1,124,499.90
5. Step 5: Solve for x
   x = 1,124,499.90/1,206.52
6. Step 6: Final answer
   x = 932.02