Finding the Fourth Proportional to 1,947.70, 2,688.15 and 1,162.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,947.70 : 2,688.15 = 1,162.18 : x
2. Step 2: Convert to fraction form
   1,947.70/2,688.15 = 1,162.18/x
3. Step 3: Cross multiply
   1,947.70x = 2,688.15 × 1,162.18
4. Step 4: Simplify right side
   1,947.70x = 3,124,114.17
5. Step 5: Solve for x
   x = 3,124,114.17/1,947.70
6. Step 6: Final answer
   x = 1,604.00