Finding the Fourth Proportional to 1,947.45, 2,687.46 and 1,150.77

Step by Step Solution

1. Step 1: Write the proportion equation
   1,947.45 : 2,687.46 = 1,150.77 : x
2. Step 2: Convert to fraction form
   1,947.45/2,687.46 = 1,150.77/x
3. Step 3: Cross multiply
   1,947.45x = 2,687.46 × 1,150.77
4. Step 4: Simplify right side
   1,947.45x = 3,092,648.34
5. Step 5: Solve for x
   x = 3,092,648.34/1,947.45
6. Step 6: Final answer
   x = 1,588.05