Finding the Fourth Proportional to 1,521.32, 2,099.48 and 1,016.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,521.32 : 2,099.48 = 1,016.28 : x
2. Step 2: Convert to fraction form
   1,521.32/2,099.48 = 1,016.28/x
3. Step 3: Cross multiply
   1,521.32x = 2,099.48 × 1,016.28
4. Step 4: Simplify right side
   1,521.32x = 2,133,654.45
5. Step 5: Solve for x
   x = 2,133,654.45/1,521.32
6. Step 6: Final answer
   x = 1,402.51