Finding the Fourth Proportional to 2,096.58, 3,143.16 and 925.74

Step by Step Solution

1. Step 1: Write the proportion equation
   2,096.58 : 3,143.16 = 925.74 : x
2. Step 2: Convert to fraction form
   2,096.58/3,143.16 = 925.74/x
3. Step 3: Cross multiply
   2,096.58x = 3,143.16 × 925.74
4. Step 4: Simplify right side
   2,096.58x = 2,909,748.94
5. Step 5: Solve for x
   x = 2,909,748.94/2,096.58
6. Step 6: Final answer
   x = 1,387.85