Finding the Fourth Proportional to 2,571.52, 3,875.72 and 2,428.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,571.52 : 3,875.72 = 2,428.46 : x
2. Step 2: Convert to fraction form
   2,571.52/3,875.72 = 2,428.46/x
3. Step 3: Cross multiply
   2,571.52x = 3,875.72 × 2,428.46
4. Step 4: Simplify right side
   2,571.52x = 9,412,030.99
5. Step 5: Solve for x
   x = 9,412,030.99/2,571.52
6. Step 6: Final answer
   x = 3,660.10