Finding the Fourth Proportional to 2,101.84, 3,152.94 and 714.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,101.84 : 3,152.94 = 714.72 : x
2. Step 2: Convert to fraction form
   2,101.84/3,152.94 = 714.72/x
3. Step 3: Cross multiply
   2,101.84x = 3,152.94 × 714.72
4. Step 4: Simplify right side
   2,101.84x = 2,253,469.28
5. Step 5: Solve for x
   x = 2,253,469.28/2,101.84
6. Step 6: Final answer
   x = 1,072.14