Finding the Fourth Proportional to 1,087.14, 1,499.85 and 714.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,087.14 : 1,499.85 = 714.32 : x
2. Step 2: Convert to fraction form
   1,087.14/1,499.85 = 714.32/x
3. Step 3: Cross multiply
   1,087.14x = 1,499.85 × 714.32
4. Step 4: Simplify right side
   1,087.14x = 1,071,365.35
5. Step 5: Solve for x
   x = 1,071,365.35/1,087.14
6. Step 6: Final answer
   x = 985.49