Finding the Fourth Proportional to 2,358.63, 3,538.17 and 714.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,358.63 : 3,538.17 = 714.89 : x
2. Step 2: Convert to fraction form
   2,358.63/3,538.17 = 714.89/x
3. Step 3: Cross multiply
   2,358.63x = 3,538.17 × 714.89
4. Step 4: Simplify right side
   2,358.63x = 2,529,411.20
5. Step 5: Solve for x
   x = 2,529,411.20/2,358.63
6. Step 6: Final answer
   x = 1,072.41