Finding the Fourth Proportional to 1,213.02, 1,674.76 and 932.73

Step by Step Solution

1. Step 1: Write the proportion equation
   1,213.02 : 1,674.76 = 932.73 : x
2. Step 2: Convert to fraction form
   1,213.02/1,674.76 = 932.73/x
3. Step 3: Cross multiply
   1,213.02x = 1,674.76 × 932.73
4. Step 4: Simplify right side
   1,213.02x = 1,562,098.89
5. Step 5: Solve for x
   x = 1,562,098.89/1,213.02
6. Step 6: Final answer
   x = 1,287.78