Finding the Fourth Proportional to 1,693.46, 2,336.81 and 1,055.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,693.46 : 2,336.81 = 1,055.34 : x
2. Step 2: Convert to fraction form
   1,693.46/2,336.81 = 1,055.34/x
3. Step 3: Cross multiply
   1,693.46x = 2,336.81 × 1,055.34
4. Step 4: Simplify right side
   1,693.46x = 2,466,124.64
5. Step 5: Solve for x
   x = 2,466,124.64/1,693.46
6. Step 6: Final answer
   x = 1,456.27