Finding the Fourth Proportional to 1,947.93, 2,688.53 and 1,162.23

Step by Step Solution

1. Step 1: Write the proportion equation
   1,947.93 : 2,688.53 = 1,162.23 : x
2. Step 2: Convert to fraction form
   1,947.93/2,688.53 = 1,162.23/x
3. Step 3: Cross multiply
   1,947.93x = 2,688.53 × 1,162.23
4. Step 4: Simplify right side
   1,947.93x = 3,124,684.41
5. Step 5: Solve for x
   x = 3,124,684.41/1,947.93
6. Step 6: Final answer
   x = 1,604.11