Finding the Fourth Proportional to 1,304.17, 1,946.72 and 1,132.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,304.17 : 1,946.72 = 1,132.05 : x
2. Step 2: Convert to fraction form
   1,304.17/1,946.72 = 1,132.05/x
3. Step 3: Cross multiply
   1,304.17x = 1,946.72 × 1,132.05
4. Step 4: Simplify right side
   1,304.17x = 2,203,784.38
5. Step 5: Solve for x
   x = 2,203,784.38/1,304.17
6. Step 6: Final answer
   x = 1,689.80