Finding the Fourth Proportional to 1,087.30, 1,500.69 and 714.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,087.30 : 1,500.69 = 714.34 : x
2. Step 2: Convert to fraction form
   1,087.30/1,500.69 = 714.34/x
3. Step 3: Cross multiply
   1,087.30x = 1,500.69 × 714.34
4. Step 4: Simplify right side
   1,087.30x = 1,072,002.89
5. Step 5: Solve for x
   x = 1,072,002.89/1,087.30
6. Step 6: Final answer
   x = 985.93