Finding the Fourth Proportional to 1,665.12, 2,494.48 and 932.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,665.12 : 2,494.48 = 932.48 : x
2. Step 2: Convert to fraction form
   1,665.12/2,494.48 = 932.48/x
3. Step 3: Cross multiply
   1,665.12x = 2,494.48 × 932.48
4. Step 4: Simplify right side
   1,665.12x = 2,326,052.71
5. Step 5: Solve for x
   x = 2,326,052.71/1,665.12
6. Step 6: Final answer
   x = 1,396.93