Finding the Fourth Proportional to 1,521.16, 2,099.56 and 932.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,521.16 : 2,099.56 = 932.02 : x
2. Step 2: Convert to fraction form
   1,521.16/2,099.56 = 932.02/x
3. Step 3: Cross multiply
   1,521.16x = 2,099.56 × 932.02
4. Step 4: Simplify right side
   1,521.16x = 1,956,831.91
5. Step 5: Solve for x
   x = 1,956,831.91/1,521.16
6. Step 6: Final answer
   x = 1,286.41