Finding the Fourth Proportional to 1,691.67, 2,332.27 and 1,293.58

Step by Step Solution

1. Step 1: Write the proportion equation
   1,691.67 : 2,332.27 = 1,293.58 : x
2. Step 2: Convert to fraction form
   1,691.67/2,332.27 = 1,293.58/x
3. Step 3: Cross multiply
   1,691.67x = 2,332.27 × 1,293.58
4. Step 4: Simplify right side
   1,691.67x = 3,016,977.83
5. Step 5: Solve for x
   x = 3,016,977.83/1,691.67
6. Step 6: Final answer
   x = 1,783.43