Finding the Fourth Proportional to 1,019.98, 1,521.05 and 950.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,019.98 : 1,521.05 = 950.32 : x
2. Step 2: Convert to fraction form
   1,019.98/1,521.05 = 950.32/x
3. Step 3: Cross multiply
   1,019.98x = 1,521.05 × 950.32
4. Step 4: Simplify right side
   1,019.98x = 1,445,484.24
5. Step 5: Solve for x
   x = 1,445,484.24/1,019.98
6. Step 6: Final answer
   x = 1,417.17