Finding the Fourth Proportional to 2,166.09, 3,248.52 and 932.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,166.09 : 3,248.52 = 932.86 : x
2. Step 2: Convert to fraction form
   2,166.09/3,248.52 = 932.86/x
3. Step 3: Cross multiply
   2,166.09x = 3,248.52 × 932.86
4. Step 4: Simplify right side
   2,166.09x = 3,030,414.37
5. Step 5: Solve for x
   x = 3,030,414.37/2,166.09
6. Step 6: Final answer
   x = 1,399.03