Finding the Fourth Proportional to 1,947.18, 2,687.12 and 1,150.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,947.18 : 2,687.12 = 1,150.52 : x
2. Step 2: Convert to fraction form
   1,947.18/2,687.12 = 1,150.52/x
3. Step 3: Cross multiply
   1,947.18x = 2,687.12 × 1,150.52
4. Step 4: Simplify right side
   1,947.18x = 3,091,585.30
5. Step 5: Solve for x
   x = 3,091,585.30/1,947.18
6. Step 6: Final answer
   x = 1,587.72