Finding the Fourth Proportional to 3,935.84, 5,426.42 and 3,225.07

Step by Step Solution

1. Step 1: Write the proportion equation
   3,935.84 : 5,426.42 = 3,225.07 : x
2. Step 2: Convert to fraction form
   3,935.84/5,426.42 = 3,225.07/x
3. Step 3: Cross multiply
   3,935.84x = 5,426.42 × 3,225.07
4. Step 4: Simplify right side
   3,935.84x = 17,500,541.09
5. Step 5: Solve for x
   x = 17,500,541.09/3,935.84
6. Step 6: Final answer
   x = 4,446.46