Finding the Fourth Proportional to 2,097.02, 3,143.22 and 925.77

Step by Step Solution

1. Step 1: Write the proportion equation
   2,097.02 : 3,143.22 = 925.77 : x
2. Step 2: Convert to fraction form
   2,097.02/3,143.22 = 925.77/x
3. Step 3: Cross multiply
   2,097.02x = 3,143.22 × 925.77
4. Step 4: Simplify right side
   2,097.02x = 2,909,898.78
5. Step 5: Solve for x
   x = 2,909,898.78/2,097.02
6. Step 6: Final answer
   x = 1,387.64