Finding the Fourth Proportional to 3,931.55, 5,425.56 and 2,253.00

Step by Step Solution

1. Step 1: Write the proportion equation
   3,931.55 : 5,425.56 = 2,253.00 : x
2. Step 2: Convert to fraction form
   3,931.55/5,425.56 = 2,253.00/x
3. Step 3: Cross multiply
   3,931.55x = 5,425.56 × 2,253.00
4. Step 4: Simplify right side
   3,931.55x = 12,223,753.92
5. Step 5: Solve for x
   x = 12,223,753.92/3,931.55
6. Step 6: Final answer
   x = 3,109.14