Finding the Fourth Proportional to 3,945.27, 5,444.12 and 2,526.45

Step by Step Solution

1. Step 1: Write the proportion equation
   3,945.27 : 5,444.12 = 2,526.45 : x
2. Step 2: Convert to fraction form
   3,945.27/5,444.12 = 2,526.45/x
3. Step 3: Cross multiply
   3,945.27x = 5,444.12 × 2,526.45
4. Step 4: Simplify right side
   3,945.27x = 13,754,284.34
5. Step 5: Solve for x
   x = 13,754,284.34/3,945.27
6. Step 6: Final answer
   x = 3,486.27